Track-sanding apparatus,申请号US19290351579-传众专利搜索

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发明名称	Track-sanding apparatus
摘要
申请公布号	US1755643(A)	申请公布日期	1930.04.22
申请号	US19290351579	申请日期	1929.04.01
申请人	JOHN GAPP	发明人	GAPP JOHN
分类号	B61C15/10	主分类号	B61C15/10
代理机构		代理人
主权项
地址

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