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发明名称
FOCUSING SYSTEM OF TWO-FOCAL LENGTH SELECTION TYPE LENS SYSTEM
摘要
申请公布号
JPS6444908(A)
申请公布日期
1989.02.17
申请号
JP19870201753
申请日期
1987.08.14
申请人
OLYMPUS OPTICAL CO LTD
发明人
TSUCHIDA HIROBUMI
分类号
G03B17/12;G02B15/16;G02B15/22
主分类号
G03B17/12
代理机构
代理人
主权项
地址
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