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经营范围
发明名称
Bed bottom
摘要
申请公布号
US2638606(A)
申请公布日期
1953.05.19
申请号
US19480038400
申请日期
1948.07.13
申请人
AUSTIN DWIGHT E
发明人
AUSTIN DWIGHT E.
分类号
A47C23/06
主分类号
A47C23/06
代理机构
代理人
主权项
地址
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