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经营范围
发明名称
Improvements in and relating to heated mattresses
摘要
申请公布号
GB375611(A)
申请公布日期
1932.06.30
申请号
GB19310024909
申请日期
1931.09.04
申请人
PAULINE SLEDGE DUNBAR
发明人
分类号
A47C21/04
主分类号
A47C21/04
代理机构
代理人
主权项
地址
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