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发明名称
Heating system
摘要
申请公布号
US2455250(A)
申请公布日期
1948.11.30
申请号
US19460651177
申请日期
1946.03.01
申请人
HALLINAN WILLIAM W
发明人
HALLINAN WILLIAM W.
分类号
F24D5/00
主分类号
F24D5/00
代理机构
代理人
主权项
地址
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