Device for recording the warp of railway tracks,申请号US19320599544-传众专利搜索

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发明名称	Device for recording the warp of railway tracks
摘要
申请公布号	US1906170(A)	申请公布日期	1933.04.25
申请号	US19320599544	申请日期	1932.03.17
申请人	ERNEST MAUZIN ANDRE	发明人	MAUZIN ANDRE ERNEST
分类号	B61K9/08	主分类号	B61K9/08
代理机构		代理人
主权项
地址

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