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经营范围
发明名称
Method and apparatus for photographic composition
摘要
申请公布号
US2231924(A)
申请公布日期
1941.02.18
申请号
US19370145374
申请日期
1937.05.28
申请人
INTERTYPE CORPORATION
发明人
KOLLER WALTER
分类号
B41B15/08
主分类号
B41B15/08
代理机构
代理人
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