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发明名称
DIAPHRAGM VALVE
摘要
申请公布号
GB1478239(A)
申请公布日期
1977.06.29
申请号
GB19750020808
申请日期
1975.05.16
申请人
BUERKERT GMBH
发明人
分类号
F16K41/12;(IPC1-7):F16K31/12
主分类号
F16K41/12
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代理人
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