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发明名称
HIGH-POWER MAGNIFIER
摘要
申请公布号
US3551021(A)
申请公布日期
1970.12.29
申请号
USD3551021
申请日期
1968.09.19
申请人
BAUSCH & LOMB INC.
发明人
HAROLD W. STRAAT
分类号
G02B25/00;(IPC1-7):G02B7/02
主分类号
G02B25/00
代理机构
代理人
主权项
地址
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