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发明名称
Improvements in and relating to valves
摘要
申请公布号
GB423921(A)
申请公布日期
1935.02.11
申请号
GB19330013486
申请日期
1933.05.09
申请人
INTERNATIONAL GENERAL ELECTRIC COMPANY INCORPORATED
发明人
分类号
F16K1/34
主分类号
F16K1/34
代理机构
代理人
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