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发明名称
DEVICE FOR SUPPORTING A KEY RING
摘要
申请公布号
CA498488(A)
申请公布日期
1953.12.15
申请号
CAD498488
申请日期
申请人
SWANK
发明人
JAMES L. DEGRAFFT, JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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