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发明名称
Heating device
摘要
申请公布号
US2270665(A)
申请公布日期
1942.01.20
申请号
US19380211330
申请日期
1938.06.02
申请人
L. J. WING MFG. CO.
发明人
WHELLER HARRY STEWART
分类号
F28D1/02
主分类号
F28D1/02
代理机构
代理人
主权项
地址
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