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发明名称
摘要
申请公布号
NL256089(A)
申请公布日期
1964.03.25
申请号
NL19600256089
申请日期
1960.09.21
申请人
发明人
分类号
G06M1/14;H04M3/12
主分类号
G06M1/14
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代理人
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地址
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