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发明名称
Apparatus for projecting circular markings upon curved surfaces
摘要
申请公布号
US2791031(A)
申请公布日期
1957.05.07
申请号
US19540421279
申请日期
1954.04.06
申请人
USKERT JULIE A
发明人
USKERT JULIE A.
分类号
B25H7/00
主分类号
B25H7/00
代理机构
代理人
主权项
地址
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