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发明名称
VALVULA DE RETENCAO
摘要
申请公布号
BR7704061(A)
申请公布日期
1978.03.28
申请号
BR19770004061
申请日期
1977.06.22
申请人
KEYSTONE INT INC
发明人
KILLIAN H
分类号
F16K15/03;(IPC1-7):F16K15/03
主分类号
F16K15/03
代理机构
代理人
主权项
地址
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