Tamping device for railway sleepers,申请号US19290347954-传众专利搜索

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法人/股东/高管

发明名称	Tamping device for railway sleepers
摘要
申请公布号	US1959458(A)	申请公布日期	1934.05.22
申请号	US19290347954	申请日期	1929.03.18
申请人	HEINRICH CHRISTIANSEN	发明人	CHRISTIANSEN HEINRICH
分类号	E01B27/14	主分类号	E01B27/14
代理机构		代理人
主权项
地址

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