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经营范围
发明名称
Heated chair
摘要
申请公布号
US2583816(A)
申请公布日期
1952.01.29
申请号
US19470721137
申请日期
1947.01.09
申请人
BUTLER GLENN F
发明人
BUTLER GLENN F.
分类号
A47C7/74
主分类号
A47C7/74
代理机构
代理人
主权项
地址
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