DATA TRANSMITTER IN DRILLING MACHINE,申请号JP19860099404-传众专利搜索

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发明名称	DATA TRANSMITTER IN DRILLING MACHINE
摘要
申请公布号	JPS62258091(A)	申请公布日期	1987.11.10
申请号	JP19860099404	申请日期	1986.05.01
申请人	MITSUI ENG & SHIPBUILD CO LTD	发明人	YUASA HAJIME;MATSUI TOSHIAKI
分类号	E21B47/13;H04B5/00	主分类号	E21B47/13
代理机构		代理人
主权项
地址

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