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发明名称
WRITING TELEPHONE FOR DEAFS WITH SIGNALS' OPTICAL INDICATION
摘要
申请公布号
CS270476(B1)
申请公布日期
1990.06.13
申请号
CS19880005792
申请日期
1988.08.26
申请人
KLIER EMANUEL ING. CSC.,CS;HRUBY JAROSLAV ING. CSC.,CS
发明人
KLIER EMANUEL ING. CSC.,CS;HRUBY JAROSLAV ING. CSC.,CS
分类号
H04L1/20;(IPC1-7):H04L1/20
主分类号
H04L1/20
代理机构
代理人
主权项
地址
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