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发明名称
Mounting of sheet records
摘要
申请公布号
US2902333(A)
申请公布日期
1959.09.01
申请号
US19540467770
申请日期
1954.11.09
申请人
MCGRAW-EDISON COMPANY
发明人
FRITZINGER GEORGE H.
分类号
G11B25/04
主分类号
G11B25/04
代理机构
代理人
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地址
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