SCREW TYPE EXCAVATING MACHINE,申请号JP19980084959-传众专利搜索

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发明名称	SCREW TYPE EXCAVATING MACHINE
摘要
申请公布号	JPH11256971(A)	申请公布日期	1999.09.21
申请号	JP19980084959	申请日期	1998.03.16
申请人	YAKUSHIN:KK	发明人	YAKUWA MAKOTO
分类号	E21B7/00;(IPC1-7):E21B7/00	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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