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发明名称
Focusing lens mounting
摘要
申请公布号
US2729154(A)
申请公布日期
1956.01.03
申请号
US19540474404
申请日期
1954.12.10
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
JR. CHARLES J. DE GRAVE,;BOUGHTON OLIN W.
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
主权项
地址
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