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发明名称
Method of proofing type slugs
摘要
申请公布号
US1857315(A)
申请公布日期
1932.05.10
申请号
US19300424149
申请日期
1930.01.29
申请人
MEGLEY HARLEY J
发明人
MEGLEY HARLEY J.
分类号
B41L15/06
主分类号
B41L15/06
代理机构
代理人
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