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发明名称
Valve for regulating the flow of the water through heat radiators
摘要
申请公布号
US2305554(A)
申请公布日期
1942.12.15
申请号
US19400320776
申请日期
1940.02.26
申请人
EMIL PERMAN PER
发明人
PERMAN PER EMIL
分类号
G05D23/08
主分类号
G05D23/08
代理机构
代理人
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地址
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