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发明名称
Toy vehicular system
摘要
申请公布号
US2618888(A)
申请公布日期
1952.11.25
申请号
US19480054155
申请日期
1948.10.12
申请人
HOFF JEAN M
发明人
HOFF JEAN M.
分类号
A63H18/00
主分类号
A63H18/00
代理机构
代理人
主权项
地址
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