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发明名称
METHOD FOR PROTECTING DATA OF BROADCASTING TRANSMISSION SYSTEM
摘要
申请公布号
JPS6422139(A)
申请公布日期
1989.01.25
申请号
JP19870178243
申请日期
1987.07.17
申请人
FUJI ELECTRIC CO LTD;FUJI FACOM CORP
发明人
YAMADA TAKAO;WATANABE MAKOTO
分类号
H04L12/40
主分类号
H04L12/40
代理机构
代理人
主权项
地址
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