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经营范围
发明名称
Spring construction
摘要
申请公布号
US2319684(A)
申请公布日期
1943.05.18
申请号
US19410393913
申请日期
1941.05.17
申请人
F. L. JACOBS COMPANY
发明人
HORTON FRANK J.
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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