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发明名称
Cutting means
摘要
申请公布号
US2195849(A)
申请公布日期
1940.04.02
申请号
US19380205923
申请日期
1938.05.04
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CARROLL FRED M.
分类号
B26D1/62;B65H29/06
主分类号
B26D1/62
代理机构
代理人
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