FLEXIBLE UNDERDRAIN AND EXECUTION METHOD,申请号JP19900403154-传众专利搜索

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发明名称	FLEXIBLE UNDERDRAIN AND EXECUTION METHOD
摘要
申请公布号	JPH0431520(A)	申请公布日期	1992.02.03
申请号	JP19900403154	申请日期	1990.12.18
申请人	NIPPON PRESSED CONCRETE CO LTD	发明人	SAJI TOSHIO
分类号	E02B3/16;E03F3/04;E03F5/04;E04B1/684	主分类号	E02B3/16
代理机构		代理人
主权项
地址

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