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发明名称
Improvements in or relating to drum type photographic cameras
摘要
申请公布号
GB774922(A)
申请公布日期
1957.05.15
申请号
GB19540033341
申请日期
1954.11.17
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
TAYLOR HAROLD
分类号
G01R13/20;G03B41/02
主分类号
G01R13/20
代理机构
代理人
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