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发明名称
Bedspring
摘要
申请公布号
US1879172(A)
申请公布日期
1932.09.27
申请号
US19290394891
申请日期
1929.09.24
申请人
SIMMONS COMPANY
发明人
GAIL JOHN F.
分类号
A47C23/053
主分类号
A47C23/053
代理机构
代理人
主权项
地址
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