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经营范围
发明名称
Nummernwahlanzeiger an automatischen Telephonteilnehmerapparaten.
摘要
申请公布号
CH174223(A)
申请公布日期
1934.12.31
申请号
CHD174223
申请日期
1933.11.15
申请人
BILL,HANS
发明人
BILL,HANS
分类号
H04M1/56
主分类号
H04M1/56
代理机构
代理人
主权项
地址
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