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发明名称
BACKHAND PENCIL POINTER
摘要
申请公布号
CA389964(A)
申请公布日期
1940.07.16
申请号
CAD389964
申请日期
申请人
BERNARD KURT DOBKOWITZ
发明人
BERNARD KURT DOBKOWITZ
分类号
主分类号
代理机构
代理人
主权项
地址
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