
Exhaust Gas Lines On Ships - Gaskets - Part 1: For Flanged Connections Heavy Design
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Exhaust Gas Lines On Ships - Gaskets - Part 1: For Flanged Connections Heavy Design
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻