SHIELD DRILLING MACHINE,申请号JP19830085651-传众专利搜索

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发明名称	SHIELD DRILLING MACHINE
摘要
申请公布号	JPS59210192(A)	申请公布日期	1984.11.28
申请号	JP19830085651	申请日期	1983.05.16
申请人	NIPPON DENSHIN DENWA KOSHA	发明人	YABUTA TETSUO;YAMAGISHI YASUTOSHI;NAKAYAMA TOMOAKI
分类号	E21D9/06;E21B47/01;E21B49/00	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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