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发明名称
Vorrichtung zur Herstellung von verlaengerten Schluesselfolgen mit sehr langer Periode fuer Mischgeraete zum Ver- und Entschluesseln
摘要
申请公布号
DE1101492(B)
申请公布日期
1961.03.09
申请号
DE1959H036842
申请日期
1959.07.06
申请人
FA. DR.-ING. RUDOLF HELL
发明人
KOLL DIPL.-ING. ROMAN
分类号
H04L9/22
主分类号
H04L9/22
代理机构
代理人
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地址
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