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经营范围
发明名称
Seat spring structure
摘要
申请公布号
US3137489(A)
申请公布日期
1964.06.16
申请号
US19630279076
申请日期
1963.05.09
申请人
VAN DRESSER SPECIALTY CORPORATION
发明人
REED CLAIR S.
分类号
A47C7/32
主分类号
A47C7/32
代理机构
代理人
主权项
地址
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