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发明名称
Toy typewriter
摘要
申请公布号
US2398765(A)
申请公布日期
1946.04.23
申请号
US19450626199
申请日期
1945.11.02
申请人
BERGER SAMUEL I
发明人
BERGER SAMUEL I.
分类号
A63H33/30;B41J3/36
主分类号
A63H33/30
代理机构
代理人
主权项
地址
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