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Synchronization of cryptographic keys between two modules of a distributed system
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2000-04-11
クロ―ズドシステムの仮想郵便料金メ―タ―
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1999-11-10
包括防止篡改从邮资计费仪发送到打印机的打印数据的邮资打印系统
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1956-06-13
Improvements in or relating to tape controlled typewriter
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1939-01-06
Improvements in or relating to record-card-controlled printing mechanism
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1967-01-18
Improvements in or relating to calculating and accounting machines
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1962-01-09
Tiotttnr tttf print-
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1939-02-04
Accounting machine
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1928-01-31
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1956-01-10
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Cash register and accounting
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Improvements in or relating to cash registers and similar accounting machines