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发明名称
Dispositif pour assurer la planitude de pellicules, notamment de pellicules cinématographiques
摘要
申请公布号
FR1063755(A)
申请公布日期
1954.05.06
申请号
FRD1063755
申请日期
1952.09.28
申请人
FIRME VEB OPTIK CARL ZEISS JENA
发明人
分类号
G03B1/42
主分类号
G03B1/42
代理机构
代理人
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