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经营范围
发明名称
Tightener apparatus for removable cover of chair back or chair seat and the like
摘要
申请公布号
US3003816(A)
申请公布日期
1961.10.10
申请号
US19570686762
申请日期
1957.09.27
申请人
STURGIS POSTURE CHAIR CO.
发明人
WILSON JAMES HARRISON
分类号
A47C31/11
主分类号
A47C31/11
代理机构
代理人
主权项
地址
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