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发明名称
VALVULA DE RETENCAO PARA FINS MEDICOS
摘要
申请公布号
BR7207233(D0)
申请公布日期
1974.08.29
申请号
BR19720007233
申请日期
1972.10.17
申请人
DO VAL F
发明人
DO VAL F
分类号
A61J7/00;A61M9/00;F16K5/00;(IPC1-7):F16K5/00
主分类号
A61J7/00
代理机构
代理人
主权项
地址
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