Protective heating means for third rail electric railways,申请号US19350018104-传众专利搜索

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发明名称	Protective heating means for third rail electric railways
摘要
申请公布号	US2027943(A)	申请公布日期	1936.01.14
申请号	US19350018104	申请日期	1935.04.25
申请人	STANFORD WELLS LOREN	发明人	WELLS LOREN STANFORD
分类号	B60M1/30	主分类号	B60M1/30
代理机构		代理人
主权项
地址

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