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经营范围
发明名称
Water circulator and feed water heater
摘要
申请公布号
US2245496(A)
申请公布日期
1941.06.10
申请号
US19380244122
申请日期
1938.12.05
申请人
PHELAN JULES E
发明人
PHELAN JULES E.
分类号
F22D1/42
主分类号
F22D1/42
代理机构
代理人
主权项
地址
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