TUNNEL DRILLING MECHANISM USING WATER ABSORBLE RESIN,申请号JP19860053687-传众专利搜索

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发明名称	TUNNEL DRILLING MECHANISM USING WATER ABSORBLE RESIN
摘要
申请公布号	JPS62211491(A)	申请公布日期	1987.09.17
申请号	JP19860053687	申请日期	1986.03.13
申请人	PENTA OCEAN CONSTR CO LTD;SUMITOMO CHEM CO LTD	发明人	HAMADA KAZUTO;NAKAMOTO HIROTSUGU;OGURA MASATO
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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