Plate support for rail joints,申请号US19290385253-传众专利搜索

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发明名称	Plate support for rail joints
摘要
申请公布号	US1814548(A)	申请公布日期	1931.07.14
申请号	US19290385253	申请日期	1929.08.12
申请人	ROBERT FARIES	发明人	FARIES ROBERT
分类号	E01B11/58	主分类号	E01B11/58
代理机构		代理人
主权项
地址

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