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US5344075A Liquid dispenser with release actuable trigger switch 失效
液体分配器带释放致动扳机开关

Liquid dispenser with release actuable trigger switch
摘要:
A liquid dispenser includes an electric motor-driven pump for pumping liquid from a container through a wand and nozzle. The pump is controlled by a programmable timer which in turn, is actuated by a release actuable trigger switch mounted on the pistol grip secured to the wand.
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