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经营范围
发明名称
TELEPHONE SET IDENTIFICATION SYSTEM
摘要
申请公布号
US3676602(A)
申请公布日期
1972.07.11
申请号
USD3676602
申请日期
1970.10.26
申请人
STROMBERG-CARLSON CORP.
发明人
NORMAN E. GOETCHIUS;AMIN Y. ZAKY
分类号
H04Q3/00;(IPC1-7):H04M1/50
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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