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发明名称
Marking die
摘要
申请公布号
US2288015(A)
申请公布日期
1942.06.30
申请号
US19390299985
申请日期
1939.10.18
申请人
AHLBURG COMPANY
发明人
MUMMA HAROLD J.
分类号
B41F17/34
主分类号
B41F17/34
代理机构
代理人
主权项
地址
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