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经营范围
发明名称
Continuous magnetic tape and cartridge
摘要
申请公布号
US2781019(A)
申请公布日期
1957.02.12
申请号
US19560558762
申请日期
1956.01.12
申请人
SOUND, INC.
发明人
TIGER EMIL
分类号
G01D15/12
主分类号
G01D15/12
代理机构
代理人
主权项
地址
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