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经营范围
发明名称
Space heater
摘要
申请公布号
US1782229(A)
申请公布日期
1930.11.18
申请号
US19280326604
申请日期
1928.12.17
申请人
ECONOHEET COMPANY
发明人
BECKER ALOYSIUS W.
分类号
F24H3/00
主分类号
F24H3/00
代理机构
代理人
主权项
地址
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