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Database: 189759 (19 Oct 2025)
MT 625-2007 English PDF
MT 625: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
MT 625-2007
English
399
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3 days [Need to translate]
Flameproof signal switch for coal mine
Obsolete
MT 625-2007
MT 625-1996
English
399
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3 days [Need to translate]
(Mine Explosion-signal switch)
Obsolete
MT 625-1996
PDF similar to MT 625-2007
Standard similar to MT 625-2007
GB/T 29723.5
MT/T 661
HAD 002/02
MT/T 489
MT/T 117
MT/T 164
Basic data
Standard ID
MT 625-2007 (MT625-2007)
Description (Translated English)
Flameproof signal switch for coal mine
Sector / Industry
Coal Industry Standard
Classification of Chinese Standard
D98
Classification of International Standard
29.260.20
Word Count Estimation
10,182
Date of Issue
2007-03-30
Date of Implementation
2007-07-01
Older Standard (superseded by this standard)
MT 625-1996
Regulation (derived from)
?State Administration of Work Safety Announcement 2007 No.6 coal mine explosion-proof switch letter
Issuing agency(ies)
National Development and Reform Commission of the People's Republic of China
Summary
This standard specifies the mine flameproof signal switch product categories, technical requirements, test methods, inspection rules, signs, packaging, transport and storage. This standard applies to the control proof bells and other small audio equipment, lighting signals mine flameproof signal switch.