CONNECTED PART OF CONCRETE PIPE,申请号CA19750234135-传众专利搜索

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发明名称	CONNECTED PART OF CONCRETE PIPE
摘要
申请公布号	CA1020605(A)	申请公布日期	1977.11.08
申请号	CA19750234135	申请日期	1975.08.22
申请人	NIPPON CONCRETE INDUSTRIES CO., LTD.	发明人	ABE, NOBUYUKI;YANASHIMA, IKUO;OHIWA, KENJIRO
分类号		主分类号
代理机构		代理人
主权项
地址

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