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发明名称
Toy railroad track switch
摘要
申请公布号
US2202546(A)
申请公布日期
1940.05.28
申请号
US19370176525
申请日期
1937.11.26
申请人
THE LIONEL CORPORATION
发明人
BONANNO JOSEPH L.
分类号
A63H19/32
主分类号
A63H19/32
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代理人
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