Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1987-06-15
1988-09-06
Castel, Benoit
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
422117, G01J 148, G05B 906
Patent
active
047692189
ABSTRACT:
A test tube for combustible gases is intended to be provided with protective devices, so that, in proving the presence of combustible gases, it cannot become an ignition source. To that end, a flame arrester is arranged in front of and/or behind the test material.
REFERENCES:
patent: 4046014 (1977-09-01), Boehringer et al.
patent: 4077776 (1978-03-01), Moller et al.
patent: 4159304 (1979-06-01), Shono
patent: 4389372 (1983-06-01), Lalin
Leichnitz Kurt
Matthiessen Hans
Alfandary-Alexander Lyle
Castel Benoit
Dragerwerk Aktiengesellschaft
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