
BS EN ISO 1874-1. Plastics. Polyamide (PA) moulding and extrusion materials. Part 1. Designation
出版:British Standards Institution

專家解讀視頻
BS EN ISO 1874-1. Plastics. Polyamide (PA) moulding and extrusion materials. Part 1. Designation
出版:British Standards Institution
專家解讀視頻