METHOD FOR PIPING WORK IN THE EARTH,申请号JP19880308584-传众专利搜索

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发明名称	METHOD FOR PIPING WORK IN THE EARTH
摘要
申请公布号	JPH02157396(A)	申请公布日期	1990.06.18
申请号	JP19880308584	申请日期	1988.12.06
申请人	TOUZAI YUATSU KK	发明人	HIDAKA NORIZUMI
分类号	E21D9/06	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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