Method for making permeable conduits in subterranean lines of drainage,申请号US19640392989-传众专利搜索

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发明名称	Method for making permeable conduits in subterranean lines of drainage
摘要
申请公布号	US3191387(A)	申请公布日期	1965.06.29
申请号	US19640392989	申请日期	1964.08.04
申请人	J. A. TERTELING & SONS, INC.	发明人	DURSTON HARRY D.;PERRY ALFRED
分类号	E02F5/10;E02F5/22;E02F9/10	主分类号	E02F5/10
代理机构		代理人
主权项
地址

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