COMBINATION OF REVERSIBLE MECHANICAL COUPLING AND SEAT SECTION,申请号JP19880192189-传众专利搜索

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发明名称	COMBINATION OF REVERSIBLE MECHANICAL COUPLING AND SEAT SECTION
摘要
申请公布号	JPS6452994(A)	申请公布日期	1989.03.01
申请号	JP19880192189	申请日期	1988.08.02
申请人	AGIP SPA	发明人	APOROONIO DEMEIO
分类号	E21B17/02;B63B21/50	主分类号	E21B17/02
代理机构		代理人
主权项
地址

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