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发明名称
DRAWING ATTACHMENT
摘要
申请公布号
HK21381(A)
申请公布日期
1981.05.29
申请号
HK19810000213
申请日期
1981.05.21
申请人
AMERICAN OPTICAL CORP
发明人
SHOEMAKER A E
分类号
G02B21/00;(IPC1-7):G02B21/18
主分类号
G02B21/00
代理机构
代理人
主权项
地址
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