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发明名称
Connectable polygonal construction modules
摘要
申请公布号
US4902259(A)
申请公布日期
1990.02.20
申请号
US19880158467
申请日期
1988.02.22
申请人
NOVATION DESIGN LTD.
发明人
ZIEGLER, JAMES T.
分类号
A63H33/08;A63H33/06
主分类号
A63H33/08
代理机构
代理人
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