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发明名称
PHOTOMETRY DEVICE FOR CAMERA CAPABLE OF TRIMMING PHOTOGRAPHY
摘要
申请公布号
JPS6432129(A)
申请公布日期
1989.02.02
申请号
JP19870189391
申请日期
1987.07.28
申请人
CANON INC
发明人
HAYAKAWA SHINGO
分类号
G01J1/44;G03B7/28
主分类号
G01J1/44
代理机构
代理人
主权项
地址
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