EXCAVATOR FOR LOWER PIT IN CASE WHEN COLUMNAR MATERIAL IS BURIED AND INSTALLED TO GROUND,申请号JP19810091272-传众专利搜索

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发明名称	EXCAVATOR FOR LOWER PIT IN CASE WHEN COLUMNAR MATERIAL IS BURIED AND INSTALLED TO GROUND
摘要
申请公布号	JPS57205694(A)	申请公布日期	1982.12.16
申请号	JP19810091272	申请日期	1981.06.12
申请人	EZAKI YASUKO	发明人	EZAKI YASUKO
分类号	E21B10/00	主分类号	E21B10/00
代理机构		代理人
主权项
地址

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