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发明名称
Scoring knife
摘要
申请公布号
US2242514(A)
申请公布日期
1941.05.20
申请号
US19390270874
申请日期
1939.04.29
申请人
M. D. KNOWLTON COMPANY
发明人
SMITH HENRY DE
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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