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发明名称
ELECTRIC HEATER
摘要
申请公布号
CA308787(A)
申请公布日期
1931.02.24
申请号
CAD308787
申请日期
申请人
ROBERT BRAUNAGEL
发明人
ROBERT BRAUNAGEL
分类号
主分类号
代理机构
代理人
主权项
地址
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