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发明名称
Toy construction assembly
摘要
申请公布号
US4919635(A)
申请公布日期
1990.04.24
申请号
US19880286852
申请日期
1988.12.19
申请人
THE RITVIK GROUP INC.
发明人
BERTRAND, VIC
分类号
A63H33/08
主分类号
A63H33/08
代理机构
代理人
主权项
地址
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