TUNNEL DRILLING MACHINE,申请号JP19830072970-传众专利搜索

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发明名称	TUNNEL DRILLING MACHINE
摘要
申请公布号	JPS59199998(A)	申请公布日期	1984.11.13
申请号	JP19830072970	申请日期	1983.04.27
申请人	HITACHI KENKI KK	发明人	OOTA MAKOTO;SHIOSAKI MINORU
分类号	E21D9/06;E21D9/08	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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