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发明名称
APERFEICOAMENTO EM VALVULA
摘要
申请公布号
BR5800141(U)
申请公布日期
1979.09.04
申请号
BR19780000141U
申请日期
1978.02.09
申请人
COSTELLA P
发明人
COSTELLA P
分类号
F16K47/02;(IPC1-7):F16K47/02
主分类号
F16K47/02
代理机构
代理人
主权项
地址
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