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经营范围
发明名称
Electrically heated apparatus
摘要
申请公布号
US1942382(A)
申请公布日期
1934.01.02
申请号
US19290401744
申请日期
1929.10.23
申请人
THE DOW CHEMICAL COMPANY
发明人
BRITTON EDGAR C.
分类号
F24H1/10
主分类号
F24H1/10
代理机构
代理人
主权项
地址
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