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经营范围
发明名称
Improvements in valves or cocks
摘要
申请公布号
GB328051(A)
申请公布日期
1930.04.24
申请号
GB19290002701
申请日期
1929.01.26
申请人
WALTER GEORGE CASE
发明人
分类号
F24D19/08
主分类号
F24D19/08
代理机构
代理人
主权项
地址
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