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发明名称
DIAPHRAGM
摘要
申请公布号
JPH06308569(A)
申请公布日期
1994.11.04
申请号
JP19930094309
申请日期
1993.04.21
申请人
CANON INC
发明人
YOSHIDA SETSUO
分类号
G03B9/02;(IPC1-7):G03B9/02
主分类号
G03B9/02
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