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发明名称
BUTTERFLY VALVE
摘要
申请公布号
GB2047387(B)
申请公布日期
1983.04.20
申请号
GB19790013976
申请日期
1979.04.23
申请人
SOMAS VENTILER AB
发明人
分类号
F16K1/226;(IPC1-7):F16K1/22
主分类号
F16K1/226
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