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发明名称
Word game device
摘要
申请公布号
US3411221(A)
申请公布日期
1968.11.19
申请号
US19650477069
申请日期
1965.07.13
申请人
MELFORD D. CLARK
发明人
CLARK MELFORD D.
分类号
A63F9/00
主分类号
A63F9/00
代理机构
代理人
主权项
地址
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