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发明名称
摘要
申请公布号
JPS5984514(U)
申请公布日期
1984.06.07
申请号
JP19820178988U
申请日期
1982.11.29
申请人
发明人
分类号
G02B21/22;(IPC1-7):G02B21/22
主分类号
G02B21/22
代理机构
代理人
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地址
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