,申请号JP19780129361U-传众专利搜索

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法人/股东/高管

发明名称
摘要
申请公布号	JPS6141835(Y2)	申请公布日期	1986.11.27
申请号	JP19780129361U	申请日期	1978.09.19
申请人		发明人
分类号	E21B19/08;E21B19/089;(IPC1-7):E21B19/08	主分类号	E21B19/08
代理机构		代理人
主权项
地址

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