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发明名称
VENTURI
摘要
申请公布号
GB1507687(A)
申请公布日期
1978.04.19
申请号
GB19750045658
申请日期
1975.11.03
申请人
DUSTECH LTD
发明人
分类号
B01D47/10;F16K7/04;F16L55/00;(IPC1-7):F16K7/00
主分类号
B01D47/10
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代理人
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