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经营范围
发明名称
Straightedge and cutter guide
摘要
申请公布号
US2238558(A)
申请公布日期
1941.04.15
申请号
US19400329758
申请日期
1940.04.15
申请人
EDGREN FRED E
发明人
EDGREN FRED E.
分类号
B44C7/02
主分类号
B44C7/02
代理机构
代理人
主权项
地址
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