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经营范围
发明名称
HELICOID CYLINDER
摘要
申请公布号
JPS6285210(A)
申请公布日期
1987.04.18
申请号
JP19850226565
申请日期
1985.10.09
申请人
CANON INC
发明人
ARAI TAKASHI;KAWANO KATSUO
分类号
G02B7/02;G02B7/04
主分类号
G02B7/02
代理机构
代理人
主权项
地址
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