MEDICAL-SURGICAL VALVE ARRANGEMENT
申请公布号:CA916014(A)
申请号:CAD916014
申请公布日期:1972.12.05
发明人:JOHN L. NOLAN
分类号:A61M39/22;F16K5/04;(IPC1-7):F16K5/04
主分类号:A61M39/22
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