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经营范围
发明名称
TRANSPARENCY SLIDE
摘要
申请公布号
CA598016(A)
申请公布日期
1960.05.17
申请号
CAD598016
申请日期
申请人
ARNOLD PERROT
发明人
ARNOLD PERROT
分类号
主分类号
代理机构
代理人
主权项
地址
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