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发明名称
摘要
申请公布号
JPS5755604(Y2)
申请公布日期
1982.12.01
申请号
JP19770063900U
申请日期
1977.05.20
申请人
发明人
分类号
G02C13/00;B29C61/00;B29D11/00;D06P5/00;G02C7/10;(IPC1-7):G02C7/10
主分类号
G02C13/00
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