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发明名称
Improvements relating to fluid flow control valves
摘要
申请公布号
GB977364(A)
申请公布日期
1964.12.09
申请号
GB19620044979
申请日期
1962.11.28
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
G01N30/20
主分类号
G01N30/20
代理机构
代理人
主权项
地址
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