METHOD OF EXCHANGING STEEL PIPE IN PIPING IN CONCRETE,申请号JP19870185893-传众专利搜索

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发明名称	METHOD OF EXCHANGING STEEL PIPE IN PIPING IN CONCRETE
摘要
申请公布号	JPS6430987(A)	申请公布日期	1989.02.01
申请号	JP19870185893	申请日期	1987.07.24
申请人	KATADA TEKKOSHO:KK	发明人	KATADA TORU
分类号	F16L1/00;F16L5/00	主分类号	F16L1/00
代理机构		代理人
主权项
地址

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