Locomotive cleaning apparatus,申请号US19300456343-传众专利搜索

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发明名称	Locomotive cleaning apparatus
摘要
申请公布号	US1981622(A)	申请公布日期	1934.11.20
申请号	US19300456343	申请日期	1930.05.28
申请人	CHARLES F. FITTS;HARRY S. HARRY	发明人	HILGERINK FRANK M.
分类号	B60S3/04	主分类号	B60S3/04
代理机构		代理人
主权项
地址

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