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经营范围
发明名称
Improvements relating to fluid flow control valves
摘要
申请公布号
GB905091(A)
申请公布日期
1962.09.05
申请号
GB19600021667
申请日期
1960.06.21
申请人
COMPAGNIA ITALIANA WESTINGHOUSE FRENI E SEGNALI
发明人
分类号
F16K31/143;F16K35/00
主分类号
F16K31/143
代理机构
代理人
主权项
地址
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