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发明名称
Drawing device
摘要
申请公布号
US2189371(A)
申请公布日期
1940.02.06
申请号
US19370174725
申请日期
1937.11.15
申请人
RODOLPHE STAGL
发明人
STAGL RODOLPHE
分类号
B43L13/16
主分类号
B43L13/16
代理机构
代理人
主权项
地址
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