Core for molding channels and outlet openings in concrete walls,申请号US19470784855-传众专利搜索

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发明名称	Core for molding channels and outlet openings in concrete walls
摘要
申请公布号	US2623261(A)	申请公布日期	1952.12.30
申请号	US19470784855	申请日期	1947.11.08
申请人	ARIOSTO SEMERARO	发明人	SEMERARO ARIOSTO
分类号	E04G15/00	主分类号	E04G15/00
代理机构		代理人
主权项
地址

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