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发明名称
DISPOSICAO INTRODUZIDA EM VALVULA
摘要
申请公布号
BR6902158(U)
申请公布日期
1991.07.16
申请号
BR1989MU02158U
申请日期
1989.10.24
申请人
MOACYR RAMOS VIANNA
发明人
MOACYR RAMOS VIANNA
分类号
F16K17/42;(IPC1-7):F16K17/42
主分类号
F16K17/42
代理机构
代理人
主权项
地址
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