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发明名称
ELECTRIC HEATING APPARATUS
摘要
申请公布号
CA297190(A)
申请公布日期
1930.02.04
申请号
CAD297190
申请日期
申请人
ADELARD DOUCET
发明人
ADELARD DOUCET
分类号
主分类号
代理机构
代理人
主权项
地址
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