METHOD OF AND DEVICE FOR EXCAVATING RECTANGULAR VERTICAL HOLE,申请号JP19760127520-传众专利搜索

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发明名称	METHOD OF AND DEVICE FOR EXCAVATING RECTANGULAR VERTICAL HOLE
摘要
申请公布号	JPS5353101(A)	申请公布日期	1978.05.15
申请号	JP19760127520	申请日期	1976.10.21
申请人	SASAKI YOSHIMASA	发明人	SASAKI YOSHIMASA
分类号	E02F3/06;E02D7/22;E02D17/13;E02F5/02	主分类号	E02F3/06
代理机构		代理人
主权项
地址

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