IEC 60261:1989 EN-FR 5fceffdc
Sealing test for pressurized waveguide tubing and assemblies
现行
发布日期 :
1989-01-30
实施日期 :
IEC 60374:1971 EN-FR 582ecbc9
Guide for choosing modular dimensions for waveguide components
现行
发布日期 :
1971-01-01
实施日期 :
IEC 60457-4:1978 EN-FR c84c0058
Rigid precision coaxial and their associated precision connectors. Part 4: 21 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector - Characteristic impedance 50 ohms (Type 9/21) - Characteristic impedance 75 ohms (Type 6/21)
现行
发布日期 :
1978-01-01
实施日期 :