OUTLET CONSTRUCTION FOR CONCRETE PIPE AND METHOD OF MAKING SAME,申请号CAD803894-传众专利搜索

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发明名称	OUTLET CONSTRUCTION FOR CONCRETE PIPE AND METHOD OF MAKING SAME
摘要
申请公布号	CA803894(A)	申请公布日期	1969.01.14
申请号	CAD803894	申请日期
申请人	AMERICAN PIPE AND CONSTRUCTION CO.	发明人	DELBERT A. HAUSMANN;ALFRED B. SZULC
分类号		主分类号
代理机构		代理人
主权项
地址

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