
Bs En 3302 - Aerospace Series - Bolts In Heat Resisting Steel Fe-Pm1708 (Fv535) - Classification: 1000 Mpa/550 Degrees C - Technical Specification
出版:British Standards Institution

專家解讀視頻
Bs En 3302 - Aerospace Series - Bolts In Heat Resisting Steel Fe-Pm1708 (Fv535) - Classification: 1000 Mpa/550 Degrees C - Technical Specification
出版:British Standards Institution
專家解讀視頻