Appendix F Sealing Requirements between valve petal and Valve Seat for Blow-off Valve,Equalizing Valve,Hot-blast stove Shut-off Valve,Gas Shut-off Valve and Ash Valve of Dust Collector
- GB 50372-2006 炼铁机械设备工程安装验收规范 (英文版)
- 中华人民共和国住房和城乡建设部
- 82字
- 2021-03-31 18:17:38
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