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发明名称
Ruling machine
摘要
申请公布号
US2070860(A)
申请公布日期
1937.02.16
申请号
US19350029256
申请日期
1935.07.01
申请人
DUFFY ROBERT T
发明人
DUFFY ROBERT T.
分类号
B41G3/00
主分类号
B41G3/00
代理机构
代理人
主权项
地址
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