METHOD OF MAKING TIMBERING TO EXCAVATE TUNNEL,申请号JP19790058866-传众专利搜索

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发明名称	METHOD OF MAKING TIMBERING TO EXCAVATE TUNNEL
摘要
申请公布号	JPS55152297(A)	申请公布日期	1980.11.27
申请号	JP19790058866	申请日期	1979.05.14
申请人	MATSUMOTO YOSHIJI	发明人	MATSUMOTO YOSHIJI
分类号	E21D11/14	主分类号	E21D11/14
代理机构		代理人
主权项
地址

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