,申请号JP19870289012-传众专利搜索

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发明名称
摘要
申请公布号	JP2530867(B2)	申请公布日期	1996.09.04
申请号	JP19870289012	申请日期	1987.11.16
申请人	TAKENAKA KOMUTEN KK;SEKISO KK	发明人	OOKOCHI KATSUTOSHI;KAMATA SEIZO
分类号	E21B33/13;(IPC1-7):E21B33/13	主分类号	E21B33/13
代理机构		代理人
主权项
地址

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