1. تشديد

Author:

Library: Public Library of Khosrow Shahr (East Azarbaijan)

Subject: برق‌ - تشديد کننده‌

Classification :
621
/381332
ت
582

2. تشديد

Library: Library and Documentation Center of Iranian Research Organization for Science and Technology (Tehran)

Classification :
TK
‎ ۷۸۶۰‎
/
خ
‎۹

3. تشديد

Author:

Library: Public Library of Osku (East Azarbaijan)

Subject: تشديد الکترونيک‌ راهنماي‌ آماتورها

Classification :
621
/381
ت
581

4. تشدید

Author:

Library: Grand Library of Grand Ayatollah Marashi Najafi (Qom)