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发明名称
Procédé d'obtention d'une piste sonore en noir et blanc sur un film trichrome à cinq couches, et film obtenu par ce procédé.
摘要
申请公布号
CH285806(A)
申请公布日期
1952.09.30
申请号
CHD285806
申请日期
1949.07.06
申请人
CINETECHNIK AG.
发明人
分类号
G03C5/14;G03C7/24
主分类号
G03C5/14
代理机构
代理人
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