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发明名称
Focusing lens mounting
摘要
申请公布号
US1945999(A)
申请公布日期
1934.02.06
申请号
US19330671681
申请日期
1933.05.18
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
SABEL JOHN C.
分类号
G02B7/04
主分类号
G02B7/04
代理机构
代理人
主权项
地址
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