,申请号JP19680037364U-传众专利搜索

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发明名称
摘要
申请公布号	JPS465889(Y1)	申请公布日期	1971.03.02
申请号	JP19680037364U	申请日期	1968.05.08
申请人		发明人
分类号	(IPC1-7):E02D17/144;E21B17/00	主分类号	(IPC1-7):E02D17/144
代理机构		代理人
主权项
地址

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