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发明名称
Spring construction
摘要
申请公布号
US2362560(A)
申请公布日期
1944.11.14
申请号
US19420464763
申请日期
1942.11.06
申请人
LEGGETT AND PLATT, INCORPORATED
发明人
JOYCE CARROLL GLENN
分类号
A47C23/30
主分类号
A47C23/30
代理机构
代理人
主权项
地址
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