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发明名称
Horseshoe
摘要
申请公布号
US2103718(A)
申请公布日期
1937.12.28
申请号
US19370128364
申请日期
1937.03.01
申请人
GOODWIN JOSEPH A
发明人
GOODWIN JOSEPH A.
分类号
A01L1/04
主分类号
A01L1/04
代理机构
代理人
主权项
地址
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