Hydrostat switch for a mine,申请号US19430505126-传众专利搜索

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发明名称	Hydrostat switch for a mine
摘要
申请公布号	US2959124(A)	申请公布日期	1960.11.08
申请号	US19430505126	申请日期	1943.10.06
申请人	WALLACE ROGER W	发明人	WALLACE ROGER W.
分类号	F42B22/04;F42C5/00	主分类号	F42B22/04
代理机构		代理人
主权项
地址

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