FAIL-SAFE ASSEMBLY FOR GAS-LIFT PRODUCTION SYSTEMS,申请号USD3575204-传众专利搜索

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发明名称	FAIL-SAFE ASSEMBLY FOR GAS-LIFT PRODUCTION SYSTEMS
摘要
申请公布号	US3575204(A)	申请公布日期	1971.04.20
申请号	USD3575204	申请日期	1969.07.22
申请人	MCMURRY OIL TOOLS INC.	发明人	EVERETT D. MCMURRY
分类号	E21B43/12;F16K17/30;(IPC1-7):F16K17/30	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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