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发明名称
AUTOMATIC AUDIO AND AUDIO-VISUAL PROJECTION APPARATUS
摘要
申请公布号
CA769418(A)
申请公布日期
1967.10.17
申请号
CAD769418
申请日期
申请人
S.I.F. SOCIETA INTERNAZIONALE FONOVISIONE S.P.A.
发明人
ANGELO BOTTANI
分类号
主分类号
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