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发明名称
TELEPHONE HANDSET
摘要
申请公布号
CA57839(S)
申请公布日期
1987.01.13
申请号
CANDAT0057839F
申请日期
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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