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经营范围
发明名称
Eraser
摘要
申请公布号
US2016715(A)
申请公布日期
1935.10.08
申请号
US19340724529
申请日期
1934.05.08
申请人
HARRIS CARL C
发明人
HARRIS CARL C.
分类号
B43K29/02
主分类号
B43K29/02
代理机构
代理人
主权项
地址
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