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发明名称
Bedspring
摘要
申请公布号
US2589053(A)
申请公布日期
1952.03.11
申请号
US19470733528
申请日期
1947.03.10
申请人
THE PERFECTION BED SPRING COMPANY
发明人
CLARK RAYMOND K.
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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