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经营范围
发明名称
Improvements in or relating to valve mechanisms
摘要
申请公布号
GB652635(A)
申请公布日期
1951.04.25
申请号
GB19480000762
申请日期
1948.01.09
申请人
THE BRITISH CECA COMPANY LIMITED;FRANCOIS HIERNAUX
发明人
分类号
F16K1/24
主分类号
F16K1/24
代理机构
代理人
主权项
地址
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