Locomotive battery changing mechanism,申请号US19590818718-传众专利搜索

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发明名称	Locomotive battery changing mechanism
摘要
申请公布号	US2970550(A)	申请公布日期	1961.02.07
申请号	US19590818718	申请日期	1959.06.08
申请人	PETTERSON WILLIAM T	发明人	PETTERSON WILLIAM T.
分类号	B61C3/02	主分类号	B61C3/02
代理机构		代理人
主权项
地址

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