DB31/ 89-1997
Safety technical requirements for combustible gas leakage alarm (English Version)
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DB31/ 89-1997
Standard No.
DB31/ 89-1997
Language
Chinese,
Available in English version
Release Date
1997
Published By
Shanghai Provincial Standard of the People's Republic of China
Status
Be replaced
2009-06
Replace By
DB31/ 89-2009
Latest
DB31/ 89-2009
DB31/ 89-1997 history
2009
DB31/ 89-2009
Safety and Technical Requirements for Town Gas Leakage Alarm
1997
DB31/ 89-1997
Safety technical requirements for combustible gas leakage alarm
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