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发明名称
摘要
申请公布号
BE641937(A)
申请公布日期
1964.04.16
申请号
BE19630641937
申请日期
1963.12.30
申请人
发明人
分类号
H04M1/02;H04M1/03
主分类号
H04M1/02
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代理人
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地址
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