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发明名称
Process of developing photographic images, with conversion prom negative to positive
摘要
申请公布号
US2006834(A)
申请公布日期
1935.07.02
申请号
US19340716175
申请日期
1934.03.17
申请人
THE FIRM OTTO PERUTZ, TROCKENPLATTENFABRIK MUNCHEN G.M.B.H.
发明人
KLEIST WALTER
分类号
G03C5/50
主分类号
G03C5/50
代理机构
代理人
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地址
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