Electrically noiseless progressive contact means,申请号US19480036886-传众专利搜索

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发明名称	Electrically noiseless progressive contact means
摘要
申请公布号	US2575230(A)	申请公布日期	1951.11.13
申请号	US19480036886	申请日期	1948.07.03
申请人	THE BALDWIN COMPANY	发明人	MORK RAYMOND P.
分类号	H01C10/08	主分类号	H01C10/08
代理机构		代理人
主权项
地址

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