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发明名称
SECRECY PROTECTION HANDSET
摘要
申请公布号
JPH01191554(A)
申请公布日期
1989.08.01
申请号
JP19880306188
申请日期
1988.12.05
申请人
NORTHERN TELECOM LTD
发明人
DONARUDO TETSUDO MATSUKUREIN
分类号
H04M1/06;H04M1/19;H04M1/68
主分类号
H04M1/06
代理机构
代理人
主权项
地址
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