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发明名称
ZOOM LENS BARREL
摘要
申请公布号
JPH03177805(A)
申请公布日期
1991.08.01
申请号
JP19890317262
申请日期
1989.12.05
申请人
CANON INC
发明人
IMAOKA YASUNORI;OSHIMA SHIGERU
分类号
G02B7/04;G02B7/10;G02B17/04
主分类号
G02B7/04
代理机构
代理人
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地址
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