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发明名称
Spring assembly for spring cushions
摘要
申请公布号
US2928458(A)
申请公布日期
1960.03.15
申请号
US19570688527
申请日期
1957.10.07
申请人
FLEX-O-LATORS, INC.
发明人
PLATT JOHN G.
分类号
A47C7/28
主分类号
A47C7/28
代理机构
代理人
主权项
地址
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