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发明名称
摘要
申请公布号
JPH01106534(U)
申请公布日期
1989.07.18
申请号
JP19870201068U
申请日期
1987.12.29
申请人
发明人
分类号
G02B6/00;C03B37/018;(IPC1-7):C03B37/018
主分类号
G02B6/00
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