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发明名称
ELECTRIC HEATING APPARATUS
摘要
申请公布号
CA378745(A)
申请公布日期
1939.01.03
申请号
CAD378745
申请日期
申请人
EDWIN L. WIEGAND
发明人
EDWIN L. WIEGAND
分类号
主分类号
代理机构
代理人
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