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发明名称
摘要
申请公布号
JPH04129110(U)
申请公布日期
1992.11.25
申请号
JP19910042549U
申请日期
1991.05.10
申请人
发明人
分类号
G02B6/42;B23K26/04;(IPC1-7):G02B6/42
主分类号
G02B6/42
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代理人
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