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发明名称
An improved device for use in the making of drawings of the human face
摘要
申请公布号
GB571455(A)
申请公布日期
1945.08.24
申请号
GB19430020720
申请日期
1943.12.10
申请人
RAYMOND RICHARDS
发明人
分类号
B43L13/16
主分类号
B43L13/16
代理机构
代理人
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