AUTOMATIC RETURN VALVE,申请号SU19925039316-传众专利搜索

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发明名称	AUTOMATIC RETURN VALVE
摘要
申请公布号	RU2038463(C1)	申请公布日期	1995.06.27
申请号	SU19925039316	申请日期	1992.03.17
申请人	RAKHMATULLIN ALBERT KH	发明人	RAKHMATULLIN ALBERT KH
分类号	E21B34/10;F16L27/12;(IPC1-7):E21B34/10	主分类号	E21B34/10
代理机构		代理人
主权项
地址

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