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发明名称
Disposable coaster
摘要
申请公布号
US2856727(A)
申请公布日期
1958.10.21
申请号
US19570634441
申请日期
1957.01.16
申请人
TOLBERT WILLIAM E
发明人
TOLBERT WILLIAM E.
分类号
A47G23/03
主分类号
A47G23/03
代理机构
代理人
主权项
地址
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