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发明名称
Machine for embossing sheet-metal printing plates
摘要
申请公布号
US2133201(A)
申请公布日期
1938.10.11
申请号
US19370177372
申请日期
1937.11.30
申请人
JOSEPH KRELL
发明人
KRELL JOSEPH
分类号
B41J3/38
主分类号
B41J3/38
代理机构
代理人
主权项
地址
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