PILOT DEVICE FOR SMALL-BORE PIPE UNDERGROUND BURYING MACHINE,申请号JP19870190320-传众专利搜索

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发明名称	PILOT DEVICE FOR SMALL-BORE PIPE UNDERGROUND BURYING MACHINE
摘要
申请公布号	JPS6436894(A)	申请公布日期	1989.02.07
申请号	JP19870190320	申请日期	1987.07.31
申请人	KOMATSU LTD;KOMATSU ZENOA KK	发明人	HAGIWARA HIDEO;TAKAGI KOJI
分类号	E21D9/08	主分类号	E21D9/08
代理机构		代理人
主权项
地址

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