VERTICAL HOLE EXCAVATOR,申请号JP19800079955-传众专利搜索

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发明名称	VERTICAL HOLE EXCAVATOR
摘要
申请公布号	JPS576094(A)	申请公布日期	1982.01.12
申请号	JP19800079955	申请日期	1980.06.12
申请人	HITACHI SHIPBUILDING ENG CO;SHIRAISHI FOUND	发明人	IMADA KENJI;SAKUMA TOSHIO;KIKUCHI TOSHIYUKI;MASHITA TADASHI
分类号	E21D1/08;E21D1/00	主分类号	E21D1/08
代理机构		代理人
主权项
地址

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