![]() 229910052760 oxygen Inorganic materials 0.000 description 4. ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by General Hospital Of Beijing Military Command P L A filed Critical General Hospital Of Beijing Military Command P L A Priority to CN 96200605 priority Critical patent/CN2255609Y/en Application granted granted Critical Publication of CN2255609Y publication Critical patent/CN2255609Y/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Original Assignee General Hospital Of Beijing Military Command P L A Priority date (The priority date is an assumption and is not a legal conclusion. General Hospital Of Beijing Military Command P L A Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 何铁春 孙宇翔 段俊法 刘庚民 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number CN 96200605 Other languages Chinese ( zh) Google Patents Medical gas middle-low flow measuring and changing deviceĭownload PDF Info Publication number CN2255609Y CN2255609Y CN 96200605 CN96200605U CN2255609Y CN 2255609 Y CN2255609 Y CN 2255609Y CN 96200605 CN96200605 CN 96200605 CN 96200605 U CN96200605 U CN 96200605U CN 2255609 Y CN2255609 Y CN 2255609Y Authority CN China Prior art keywords gas threeway differential pressure changing device inlet Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents CN2255609Y - Medical gas middle-low flow measuring and changing device CN2255609Y - Medical gas middle-low flow measuring and changing device
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