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发明名称
Heating pad
摘要
申请公布号
US2215042(A)
申请公布日期
1940.09.17
申请号
US19390264468
申请日期
1939.03.27
申请人
KNAPP-MONARCH COMPANY
发明人
HOWARD LAWRENCE;SMITH HOWARD A.
分类号
H05B3/34
主分类号
H05B3/34
代理机构
代理人
主权项
地址
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