Train wheel proximity detector,申请号US19600003177-传众专利搜索

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发明名称	Train wheel proximity detector
摘要
申请公布号	US3086109(A)	申请公布日期	1963.04.16
申请号	US19600003177	申请日期	1960.01.18
申请人	KAEHMS CHARLES G	发明人	KAEHMS CHARLES G.
分类号	B61L1/08;B61L1/16	主分类号	B61L1/08
代理机构		代理人
主权项
地址

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