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发明名称
Electric connecter for toy train tracks
摘要
申请公布号
US1782991(A)
申请公布日期
1930.11.25
申请号
US19270203366
申请日期
1927.07.05
申请人
THE IVES CORPORATION
发明人
IVES HARRY C.
分类号
A63H19/30
主分类号
A63H19/30
代理机构
代理人
主权项
地址
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