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经营范围
发明名称
Circumference and center point marker
摘要
申请公布号
US2492367(A)
申请公布日期
1949.12.27
申请号
US19460672107
申请日期
1946.05.24
申请人
OPRESCU ILIE N
发明人
OPRESCU ILIE N.
分类号
B25D5/00
主分类号
B25D5/00
代理机构
代理人
主权项
地址
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