POSTAGE SECURITY DEVICE HAVING CRYPTOGRAPHIC KEYS WITH A VARIABLE KEY LENGTH,申请号EP20010993080-传众专利搜索

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发明名称	POSTAGE SECURITY DEVICE HAVING CRYPTOGRAPHIC KEYS WITH A VARIABLE KEY LENGTH
摘要
申请公布号	EP1410548(A2)	申请公布日期	2004.04.21
申请号	EP20010993080	申请日期	2001.11.01
申请人	PITNEY BOWES INC.	发明人	PIERCE, PERRY, A.
分类号	H04L1/00;G07B17/00;H04L29/06;(IPC1-7):H04L1/00	主分类号	H04L1/00
代理机构		代理人
主权项
地址

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