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经营范围
发明名称
Improvements relating to valves
摘要
申请公布号
GB558724(A)
申请公布日期
1944.01.18
申请号
GB19420018609
申请日期
1942.12.31
申请人
TRICO PRODUCTS CORPORATION
发明人
分类号
F16K15/14
主分类号
F16K15/14
代理机构
代理人
主权项
地址
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