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发明名称
Apparatus for the treatment of films
摘要
申请公布号
US1854604(A)
申请公布日期
1932.04.19
申请号
US19290356429
申请日期
1929.04.19
申请人
THE FIRM KERN & CIE. A. G.
发明人
STEINMANN WALTER
分类号
G03D3/13;G03D3/14
主分类号
G03D3/13
代理机构
代理人
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地址
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