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发明名称
Filtre de traduction de code
摘要
申请公布号
FR1537294(A)
申请公布日期
1968.08.23
申请号
FR19670608690
申请日期
1967.09.06
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G02B27/46;G06K9/74;H03M7/00
主分类号
G02B27/46
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