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发明名称
A doorbell answering machine
摘要
申请公布号
GB2285530(A)
申请公布日期
1995.07.12
申请号
GB19940000136
申请日期
1994.01.06
申请人
ROBERT JOHN * LEIGHTON
发明人
ROBERT JOHN * LEIGHTON
分类号
G08B3/10;G11B31/00;H04M11/02;(IPC1-7):H04M11/02
主分类号
G08B3/10
代理机构
代理人
主权项
地址
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