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经营范围
发明名称
Improvement in pressure relief valves
摘要
申请公布号
GB589644(A)
申请公布日期
1947.06.26
申请号
GB19440002890
申请日期
1944.02.16
申请人
JACK & HEINTZ, INC.
发明人
分类号
F16K17/10
主分类号
F16K17/10
代理机构
代理人
主权项
地址
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