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发明名称
Jig-saw puzzles
摘要
申请公布号
GB2063078(A)
申请公布日期
1981.06.03
申请号
GB19800030277
申请日期
1980.09.18
申请人
BIRD M
发明人
分类号
A63F9/10;(IPC1-7):A63F9/10
主分类号
A63F9/10
代理机构
代理人
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