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摘要
申请公布号
GB2056404(A)
申请公布日期
1981.03.18
申请号
GB19800022334
申请日期
1980.07.08
申请人
DART INDUSTRIES INC
发明人
分类号
G09F3/08;A45C13/42;G09F3/14;G09F3/18;(IPC1-7):G09F3/02;G09F3/20
主分类号
G09F3/08
代理机构
代理人
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地址
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