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发明名称
Apparatus for and method of printing for providing amusement or education
摘要
申请公布号
GB765078(A)
申请公布日期
1957.01.02
申请号
GB19540017711
申请日期
1954.06.16
申请人
ROSALIND HERZFELD
发明人
分类号
A63H33/30;A63H33/38;B41K1/00;B42D1/00;B42D3/12;B42F13/16
主分类号
A63H33/30
代理机构
代理人
主权项
地址
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