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经营范围
发明名称
Valve control for reservoirs
摘要
申请公布号
US2227632(A)
申请公布日期
1941.01.07
申请号
US19380247568
申请日期
1938.12.24
申请人
DOUGLAS CLEGG
发明人
CLEGG DOUGLAS
分类号
F16K31/26
主分类号
F16K31/26
代理机构
代理人
主权项
地址
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