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发明名称
Paperweight with screw threaded bottom cap
摘要
A paperweight having a heavy, transparent glass or plastic upper portion and a screw threaded opaque bottom cap. Display photos are insertable between the transparent upper portion and the opaque cap.
申请公布号
US4014122(A)
申请公布日期
1977.03.29
申请号
US19750615469
申请日期
1975.09.22
申请人
WOODS, OSCAR J.
发明人
WOODS, OSCAR J.
分类号
B43M9/00;(IPC1-7):B43M9/00
主分类号
B43M9/00
代理机构
代理人
主权项
地址
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