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发明名称
ELECTRIC HEATING PAD
摘要
申请公布号
CA411554(A)
申请公布日期
1943.03.30
申请号
CAD411554
申请日期
申请人
EMIL STRANSZKY
发明人
GERRIT VAN DAAM
分类号
主分类号
代理机构
代理人
主权项
地址
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