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GAS SUCTION PUMP DEVICE, GAS FEED ADAPTER AND GAS ALARM UNIT
GAS SUCTION PUMP DEVICE, GAS FEED ADAPTER AND GAS ALARM UNIT
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机译:气吸泵装置,气源适配器和气报警单元
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摘要
The invention provides a gas suction pump device equipped with a casing having a substantially rectangular frame-like sectional shape and formed slenderly in a gas flowing direction and into a size holdable by grasping with a hand, a control circuit board provided in the casing so as to extend in a longitudinal direction along the upper wall of the casing, a pump unit arranged in a region on the side of one side wall on the lower side of the control circuit board in a state that one end and the other end of a gas flow path defined by the pump unit have been connected to a gas inlet port and a gas outlet port, respectively, and a battery fitting chamber provided in a region on the side of the other side wall. The invention also provides a gas alarm unit constructed by connecting the above pump device to a portable gas alarm device provided with a specific gas feed adapter through a connecting tube.
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