Self-closing valve+
Self-closing valve+, Total:2 items.
The international standard classification for "Self-closing valve+" includes: Installations in buildings .
The Chinese standard classification for "Self-closing valve+" includes: Gas supply engineering .
Professional Standard - Urban Construction
- CJ/T 447-2014 Automatic Shutoff Valve for Pipeline Gas
Group Standards of the People's Republic of China
- T/ZZB 1906-2020 Automatic shut-off valves for natural gas pipeline
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