U.S. federal trademark · Serial No. 79170378 · Reg. No. 4953533
Electrical and electronic apparatus and instruments for the detection of gas; gas detecting apparatus; gas sensors for measuring gas concentration; gas monitors for monitoring the amount and type of gas in the atmosphere, gas alarms, gas indicators for detecting and analyzing the amount and type of gas in the atmosphere; gas testing apparatus; parts and fittings and accessories especially adapted for all the aforesaid goods
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