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经营范围
发明名称
Heated mattress
摘要
申请公布号
US1837117(A)
申请公布日期
1931.12.15
申请号
US19300458230
申请日期
1930.05.31
申请人
DUNBAR PAULINE S
发明人
DUNBAR PAULINE S.
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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