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经营范围
发明名称
Improvements in fluid valves
摘要
申请公布号
GB565291(A)
申请公布日期
1944.11.03
申请号
GB19430006549
申请日期
1943.04.23
申请人
ARTHUR LARUE PARKER
发明人
分类号
F16K15/02
主分类号
F16K15/02
代理机构
代理人
主权项
地址
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