IMPACT TYPE PROPULSION DEVICE FOR UNDERGROUND BURIED PIPE,申请号JP19850277995-传众专利搜索

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发明名称	IMPACT TYPE PROPULSION DEVICE FOR UNDERGROUND BURIED PIPE
摘要
申请公布号	JPS62137392(A)	申请公布日期	1987.06.20
申请号	JP19850277995	申请日期	1985.12.12
申请人	ISHII KATSUMI	发明人	ISHII KATSUMI
分类号	E21B7/26	主分类号	E21B7/26
代理机构		代理人
主权项
地址

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