HIGH OR LOW FLUID FLOW SIGNALLING APPARATUS,申请号USD3571936-传众专利搜索

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发明名称	HIGH OR LOW FLUID FLOW SIGNALLING APPARATUS
摘要
申请公布号	US3571936(A)	申请公布日期	1971.03.23
申请号	USD3571936	申请日期	1969.07.17
申请人	BYRON JACKSON INC.	发明人	RAYMOND G. TAYLOR JR.
分类号	E21B47/02;E21B47/18;(IPC1-7):G01C9/00	主分类号	E21B47/02
代理机构		代理人
主权项
地址

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