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发明名称
Lens blocking
摘要
申请公布号
US2151233(A)
申请公布日期
1939.03.21
申请号
US19370121608
申请日期
1937.01.21
申请人
AMERICAN OPTICAL COMPANY
发明人
ROWE LOUIS F.
分类号
B24B13/005
主分类号
B24B13/005
代理机构
代理人
主权项
地址
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