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发明名称
Improvements in safety valves with pilot valve
摘要
申请公布号
GB319725(A)
申请公布日期
1930.01.02
申请号
GB19290019634
申请日期
1929.06.26
申请人
SOCIETE ANONYME DES ETABLISSEMENTS JULES COCARD
发明人
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
主权项
地址
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