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发明名称
Scoring and grooving file
摘要
申请公布号
US2281007(A)
申请公布日期
1942.04.28
申请号
US19400338935
申请日期
1940.06.05
申请人
SCHERING & GLATZ, INC.
发明人
PAGE BRUNO
分类号
B67B7/92
主分类号
B67B7/92
代理机构
代理人
主权项
地址
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