
MATERIALS USED IN COMMUNICATION CABLES - PART 8: FILLING COMPOUNDS FOR FILLED CABLES
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
MATERIALS USED IN COMMUNICATION CABLES - PART 8: FILLING COMPOUNDS FOR FILLED CABLES
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻