Tool for use in making concrete,申请号US19300470319-传众专利搜索

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发明名称	Tool for use in making concrete
摘要
申请公布号	US1911966(A)	申请公布日期	1933.05.30
申请号	US19300470319	申请日期	1930.07.24
申请人	MALLEABLE IRON FITTINGS COMPANY	发明人	PICKOP GEORGE B.
分类号	E04G21/08	主分类号	E04G21/08
代理机构		代理人
主权项
地址

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