Fundraising September 15, 2024 – October 1, 2024 About fundraising
2
高压“匚”形密封环

高压“匚”形密封环

Year:
1972
Language:
chinese
File:
PDF, 14.76 MB
0 / 0
chinese, 1972
5
压力容器国外文献索引

压力容器国外文献索引

Year:
1973
Language:
chinese
File:
PDF, 3.01 MB
0 / 0
chinese, 1973
6
螺旋板式换热器使用试验

螺旋板式换热器使用试验

Year:
1972
Language:
Chinese
File:
PDF, 25.35 MB
0 / 0
Chinese, 1972
7
球阀

球阀

Year:
1972
Language:
Chinese
File:
PDF, 11.10 MB
0 / 0
Chinese, 1972
8
全封闭活塞式制冷压缩机

全封闭活塞式制冷压缩机

Year:
1978
Language:
Chinese
File:
PDF, 151.58 MB
0 / 0
Chinese, 1978