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发明名称
MECHANICAL VALVE
摘要
申请公布号
GB8415131(D0)
申请公布日期
1984.07.18
申请号
GB19840015131
申请日期
1984.06.14
申请人
MULAS, P G;STEINWEG, M
发明人
分类号
A61F2/00;(IPC1-7):A61F/
主分类号
A61F2/00
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