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发明名称
Bed covering support
摘要
申请公布号
US2160443(A)
申请公布日期
1939.05.30
申请号
US19380202795
申请日期
1938.04.18
申请人
SCHADELL CLEMENCE M
发明人
SCHADELL CLEMENCE M.
分类号
A61G7/05
主分类号
A61G7/05
代理机构
代理人
主权项
地址
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