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发明名称
Gas mixing valves
摘要
申请公布号
US3034533(A)
申请公布日期
1962.05.15
申请号
US19590812520
申请日期
1959.05.11
申请人
THE BRITISH OXYGEN COMPANY LIMITED
发明人
BLACK GEOFFREY DONALD
分类号
F16K11/08
主分类号
F16K11/08
代理机构
代理人
主权项
地址
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