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发明名称
Improvements in bed-warmers
摘要
申请公布号
GB459403(A)
申请公布日期
1937.01.07
申请号
GB19350032810
申请日期
1935.11.27
申请人
JOHN ARTHUR SAMBROOK
发明人
分类号
A61F7/00;A61F7/03
主分类号
A61F7/00
代理机构
代理人
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