ASME中国制造-ASME B1.20.2M-2006 一般用途用60℃管螺纹
Pipe Threads, 60 deg, General PurpoA N A M E R I C A N N A T I O N A L S T A N D A R DPipe Threads, 60deg, General Purpo A N A M E R I C A N N A T I O N A L S T A N D A R DThree Park Avenue
时间:2023-06-05 热度:31℃