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经营范围
发明名称
Improvements in or relating to safety valves
摘要
申请公布号
GB430510(A)
申请公布日期
1935.06.20
申请号
GB19340000914
申请日期
1934.01.10
申请人
COCKBURNS LIMITED;DONALD MACNICOLL
发明人
分类号
F16K17/08
主分类号
F16K17/08
代理机构
代理人
主权项
地址
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