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发明名称
PHOTOGRAPHIC APPARATUS
摘要
申请公布号
GB1216477(A)
申请公布日期
1970.12.23
申请号
GB19670052749
申请日期
1967.11.20
申请人
CHARLES WILLIAM CLARK
发明人
CHARLES WILLIAM CLARK
分类号
G03B17/53
主分类号
G03B17/53
代理机构
代理人
主权项
地址
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