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发明名称
Spring-cushion
摘要
申请公布号
US1963015(A)
申请公布日期
1934.06.12
申请号
US19330654837
申请日期
1933.02.02
申请人
BURTON-DIXIE CORPORATION
发明人
BURTON OLIVER M.
分类号
A47C23/32
主分类号
A47C23/32
代理机构
代理人
主权项
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