EXPANSIBLE PLUGS FOR SEWER PIPES,申请号CA19750217473-传众专利搜索

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发明名称	EXPANSIBLE PLUGS FOR SEWER PIPES
摘要
申请公布号	CA1014873(A)	申请公布日期	1977.08.02
申请号	CA19750217473	申请日期	1975.01.07
申请人	SCHNEIDER, MICHAEL	发明人	SCHNEIDER, MICHAEL
分类号		主分类号
代理机构		代理人
主权项
地址

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