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经营范围
发明名称
Heating system
摘要
申请公布号
US2692732(A)
申请公布日期
1954.10.26
申请号
US19510241709
申请日期
1951.08.14
申请人
LILLIAN B. LIEBERMAN
发明人
LIEBERMAN NATHAN L.
分类号
F24D1/00
主分类号
F24D1/00
代理机构
代理人
主权项
地址
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