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发明名称
PORTA-GEMELOS PLEGABLE.
摘要
申请公布号
ES264515(Y)
申请公布日期
1983.05.16
申请号
ES19150002645U
申请日期
1982.04.14
申请人
发明人
分类号
G02B23/18;(IPC1-7):02B23/18
主分类号
G02B23/18
代理机构
代理人
主权项
地址
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