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2002-03-26
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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1997-11-04
Method and system for securing operation of a printing module
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1962-01-09
Tiotttnr tttf print-
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1975-06-25
Type action arrangement
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1939-02-04
Accounting machine
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1928-01-31
A cobpobation
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1973-02-13
Reinking mechanism
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1956-01-10
werner
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1962-02-20
Mechanical interlock device
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1939-08-22
Cash register and accounting
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1940-06-04
Cash register
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1999-11-30
プリンタ―のエラ―を安全に報告する郵便証印印刷システム
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1937-10-25
Improvements in or relating to cash registers and similar accounting machines