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发明名称
Automatic answering and recording electronic apparatus suitable for association withcalling circuits
摘要
申请公布号
GB856011(A)
申请公布日期
1960.12.14
申请号
GB19570008886
申请日期
1957.03.18
申请人
GIUSEPPE ZANARDO
发明人
分类号
H04M1/65
主分类号
H04M1/65
代理机构
代理人
主权项
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MANUFACTURE OF 1*33DIBROMOO2*22DIMETHYLL PROPANEE1*33DICARBOXYLIC ACID DERIVATIVE