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发明名称
Improvements relating to safety valves
摘要
申请公布号
GB608071(A)
申请公布日期
1948.09.09
申请号
GB19460004699
申请日期
1946.02.14
申请人
HOPKINSONS LIMITED;RICHARD LESLIE BROWN
发明人
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
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地址
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