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发明名称
Improvements relating to reverse modulation valve system
摘要
申请公布号
GB659080(A)
申请公布日期
1951.10.17
申请号
GB19480013159
申请日期
1948.05.13
申请人
THE BRITISH THOMSON HOUSTON COMPANY, LIMITED
发明人
分类号
F16K31/68;G05D23/12
主分类号
F16K31/68
代理机构
代理人
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地址
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