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发明名称
Electrical connecter for toy electric railways
摘要
申请公布号
US1983776(A)
申请公布日期
1934.12.11
申请号
US19320604275
申请日期
1932.04.09
申请人
ROSENTHAL LEON W
发明人
ROSENTHAL LEON W.
分类号
A63H19/30
主分类号
A63H19/30
代理机构
代理人
主权项
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