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经营范围
发明名称
Cushion spring
摘要
申请公布号
US1915907(A)
申请公布日期
1933.06.27
申请号
US19300456366
申请日期
1930.05.28
申请人
KIWI MFG. CO., INC.
发明人
THOMAS CHARLES J.
分类号
A47C23/043
主分类号
A47C23/043
代理机构
代理人
主权项
地址
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