
Polytetrafluoroethylene (PTFE) materials and products. Specification for fabricated unfilled polytetrafluoroethylene products
出版:British Standards Institution

專家解讀視頻
Polytetrafluoroethylene (PTFE) materials and products. Specification for fabricated unfilled polytetrafluoroethylene products
出版:British Standards Institution
專家解讀視頻