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发明名称
Spring structure
摘要
申请公布号
US2304651(A)
申请公布日期
1942.12.08
申请号
US19410403432
申请日期
1941.07.21
申请人
FALLS SPRING AND WIRE COMPANY
发明人
PUDLO ANTHONY
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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