Guard rail for railroad track scales,申请号US19290407135-传众专利搜索

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发明名称	Guard rail for railroad track scales
摘要
申请公布号	US1770400(A)	申请公布日期	1930.07.15
申请号	US19290407135	申请日期	1929.11.14
申请人	GORDON LUCIUS H	发明人	GORDON LUCIUS H.
分类号	E01B11/42	主分类号	E01B11/42
代理机构		代理人
主权项
地址

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