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发明名称
摘要
申请公布号
JPH0723344(U)
申请公布日期
1995.04.25
申请号
JP19920039882U
申请日期
1992.05.19
申请人
发明人
分类号
G03B21/132;G03B21/10;G03B21/30;(IPC1-7):G03B21/132
主分类号
G03B21/132
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代理人
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