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发明名称
Einrichtung zur Erzeugung von wenigstens zwei Hilfsaufzeichnungen.
摘要
申请公布号
CH288284(A)
申请公布日期
1953.01.15
申请号
CHD288284
申请日期
1948.01.29
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
INCORPORATED WESTERN ELECTRIC COMPANY,
分类号
H04M15/04
主分类号
H04M15/04
代理机构
代理人
主权项
地址
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