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发明名称
Method of producing printing plate blocks
摘要
申请公布号
US1872572(A)
申请公布日期
1932.08.16
申请号
US19310531535
申请日期
1931.04.20
申请人
HACKER HORACE W
发明人
HACKER HORACE W.
分类号
B41N6/00
主分类号
B41N6/00
代理机构
代理人
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