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发明名称
Procédé de restitution au choix des enregistrements photophoniques normaux et en opposition
摘要
申请公布号
FR870164(A)
申请公布日期
1942.03.04
申请号
FRD870164
申请日期
1941.02.19
申请人
ZEISS IKON AKTIENGESELLSCHAFT
发明人
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
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