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经营范围
发明名称
Paper slitter
摘要
申请公布号
US1754969(A)
申请公布日期
1930.04.15
申请号
US19290363743
申请日期
1929.05.17
申请人
SPOOR JOHN R
发明人
SPOOR JOHN R.
分类号
B26D7/26
主分类号
B26D7/26
代理机构
代理人
主权项
地址
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