6. Cranes and derricks

Author:

Library: (Semnan)

Subject: ، Cranes, derrickks, etc

Classification :
TJ
1363
.
S4C7

13. Cranesand derricks

Author:

Library: Central Library Yasuj University (Kohgiluye va Buyer ahmad)

Subject: Cranes, derricks, etc

Classification :
621
,.
873
,
S52
,
1982