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发明名称
Zaehl-Schaltungsanordnung
摘要
申请公布号
DE961101(C)
申请公布日期
1957.04.04
申请号
DE1955A022218
申请日期
1955.03.08
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
THREADGOLD RONALD
分类号
H03K17/52;H03K23/82;H04Q3/42
主分类号
H03K17/52
代理机构
代理人
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地址
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