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发明名称
SOUND FILMS AND APPARATUS FOR THEIR PROJECTION
摘要
申请公布号
CA751659(A)
申请公布日期
1967.01.31
申请号
CAD751659
申请日期
申请人
ARTHUR W. KINGSTON
发明人
ARTHUR W. KINGSTON
分类号
主分类号
代理机构
代理人
主权项
地址
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