Apparatus for distributing and spreading concrete and like materials,申请号US19290348155-传众专利搜索

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发明名称	Apparatus for distributing and spreading concrete and like materials
摘要
申请公布号	US1837580(A)	申请公布日期	1931.12.22
申请号	US19290348155	申请日期	1929.03.19
申请人	PARIS HUGH P;ALBERT KNOWLES	发明人	PARIS HUGH P.;KNOWLES ALBERT
分类号	E01C19/18	主分类号	E01C19/18
代理机构		代理人
主权项
地址

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