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发明名称
Spring construction
摘要
申请公布号
US2856987(A)
申请公布日期
1958.10.21
申请号
US19540460626
申请日期
1954.10.06
申请人
GENERAL MOTORS CORPORATION
发明人
LELLI JOSEPH L.
分类号
B60N2/70
主分类号
B60N2/70
代理机构
代理人
主权项
地址
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