1. Ferrite phase shifters and control devices
Author: Helszajn, J. )Joseph(
Library: Library of Niroo Research Institue (Tehran)
Subject: ، Ferrite devices,، Phase shifters
Classification :
TK
7872
.
F4H39
1989
2. Microwave planar passive circuits and filters
Author: / J. Helszajn
Library: Library of Campus2 Colleges of Engineering of Tehran University (Tehran)
Subject: Microwave circuits,Microwave filters,Electric filters, Passive
Classification :
TK
7876
.
H423
1994
3. Nonreciprocal microwave junctions and circulators
Author: Helszajn, J, Joseph
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Circulators, Wave-guide,، Junctions, Wave-guide
Classification :
TK
7871
.
65
.
H44
4. Nonreciprocal microwave junctions and circulators
Author: / J. Helszajn
Library: University of Tabriz Library, Documentation and Publication Center (East Azarbaijan)
Subject: Circulators, Wave-guide,Junctions, Wave-guide
Classification :
TK7871
.
65
.
H44
5. #Passive and active microwave circuits
Author: #J. Helszajn
Library: Central Library of Esfehan University of Technology (Esfahan)
Subject: Microwave circuits ،Mcrowave devices
Classification :
#
TK
،#.
H43
6. Passive and active microwave circuits
Author: / J. Helszajn
Library: Library of Campus2 Colleges of Engineering of Tehran University (Tehran)
Subject: Microwave circuits,Microwave devices
Classification :
TK
7876
.
H43
7. Ridge waveguides and passive microwave components
Author: Helszajn, J.
Library: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)
Subject: ، Microwave filters,، Microwave circuits,، Electric filters, Passive
Classification :
TK
7872
.
F5H45
8. Ridge waveguides and passive microwave components
Author: J. Helszajn
Library: Library of Institute for Research in Fundamental Sciences (Tehran)
Subject: ، Microwave filters,، Microwave circuits,، Electric filters, Passive
Classification :
TK
7872
.
F5H45
9. Ridge waveguides and passive microwave components /
Author: J. Helszajn.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Electric filters, Passive.,Microwave circuits.,Microwave filters.,Electric filters, Passive.,Microwave circuits.,Microwave filters.,TECHNOLOGY & ENGINEERING-- Microwaves.
Classification :
TK7872
.
F5
H3927
2000eb
10. Ridge waveguides and passive microwave components
Author: Helszajn, J.)Joseph(
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Microwave filters,، Microwave circuits,، Electric filters, Passive
Classification :
TK
7872
.
F5
.
H45
2000
11. The stripline circulator
Author: / by J. Helszajn
Library: Central Library, Center of Documentation and Supply of Scientific Resources (East Azarbaijan)
Subject: Circulators- Wave-guide- Design and construction
Classification :
TK7871
.
65
.
H46
2008
12. The stripline circulator
Author: / by J. Helszajn
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Circulators, Wave-guide--Design and construction
Classification :
TK
,
7871
.
65
,.
H46
,
2008
13. The stripline circulator
Author: by J. Helszajn
Library: Central Library and Information Center of Shahed University (Tehran)
Subject: Circulators, Wave - guide -- Design and construction
Classification :
TK
،
7871
,.
65
،.
H46
،
2008
14. YIG resonators and filters
Author: Helszajn, J.)Joseph(
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Yttrium iron garnet,، Microwave filters
Classification :
TK
7871
.
15
.
F4
.
H45
1985
15. YIG resonators and filters
Author: / J. Helszajn
Library: Library of Campus2 Colleges of Engineering of Tehran University (Tehran)
Subject: Yttrium iron garnet,Microwave filters
Classification :
TK
7871
.
15
.
F4H45
1985
