[行业标准] QB 1648-1992 聚乙烯着色母料 色母料企标
P:2007-04-03 15:44:02
1
求助如题的标准内容,谢谢!
PTFE - polytetrafluoroethylene聚四氟乙烯 (0) 投诉
P:2007-04-04 13:15:45
2
SPCVD - single-polarization chemical vapor deposition单偏振化学汽相沉积(法) (0) 投诉
P:2007-04-04 15:40:04
3
laminated conductor - 分层导体,叠片导体 (0) 投诉
3