FIELD: safety engineering. SUBSTANCE: device has methane detectors, communication lines 6 with connector assemblies at ends, portable cable spools, control board with independent power supply, lockout switch, sound and light signal emitting devices and travelling platform. EFFECT: increased efficiency and enhanced reliability in operation. 1 dwg
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WARNING DEVICE | 0 |
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Authors
Dates
1995-06-27—Published
1991-10-17—Filed