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发明名称
FOUR TRACK SOUND HEAD MECHANISM
摘要
申请公布号
CA746175(A)
申请公布日期
1966.11.08
申请号
CAD746175
申请日期
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
SHELDON L. PASTOR;ROBERT M. STAHL
分类号
主分类号
代理机构
代理人
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