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发明名称
摘要
申请公布号
NL6700077(A)
申请公布日期
1967.07.07
申请号
NL19670000077
申请日期
1967.01.03
申请人
发明人
分类号
H04M1/70;H04M9/00;H04Q5/00
主分类号
H04M1/70
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代理人
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地址
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