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发明名称
Improvements in or relating to the making of sound-record or picture-sound record films
摘要
申请公布号
GB458898(A)
申请公布日期
1936.12.29
申请号
GB19360011633
申请日期
1936.04.23
申请人
JULIUS PINTSCH AKTIENGESELLSCHAFT
发明人
分类号
G11B5/78
主分类号
G11B5/78
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