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发明名称
VALVULA RETENTORA DE GASES E LIQUIDOS
摘要
申请公布号
BR7806504(A)
申请公布日期
1980.04.08
申请号
BR19780006504
申请日期
1978.09.29
申请人
ENGEPROL ENGENHARIA PROCESSOS LTD
发明人
HUTTNER O
分类号
F16K15/04;(IPC1-7):F16K15/04
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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