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发明名称
Improvements relating to sound-recording for cinematographic film
摘要
申请公布号
GB880434(A)
申请公布日期
1961.10.25
申请号
GB19580025155
申请日期
1958.08.06
申请人
DOMINUS, S.A.R.L.
发明人
LETRILLARD JEAN
分类号
G03B31/04
主分类号
G03B31/04
代理机构
代理人
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地址
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