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发明名称
Auxiliary back for adapting studio cameras for use of small film
摘要
申请公布号
US3165993(A)
申请公布日期
1965.01.19
申请号
US19610159134
申请日期
1961.12.13
申请人
LEO STERN
发明人
STERN LEO
分类号
G03B17/12
主分类号
G03B17/12
代理机构
代理人
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