新型按钮开关，它涉及一种控制工业、民用电气运行的按钮开关。
The invention provides a novel push button switch, relating to a push button switch which is used for controlling the electric operation in industrial and civil use.
新型按钮开关，它涉及一种控制工业、民用电气运行的按钮开关。
The invention provides a novel push button switch, relating to a push button switch which is used for controlling the electric operation in industrial and civil use.
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