FLOW CONTROLLING APPARATUS,申请号GB19830006088-传众专利搜索

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发明名称	FLOW CONTROLLING APPARATUS
摘要
申请公布号	GB8306088(D0)	申请公布日期	1983.04.07
申请号	GB19830006088	申请日期	1983.03.04
申请人	AVA INTERNATIONAL CORPORATION	发明人
分类号	E21B34/10;E21B43/14;(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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