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经营范围
发明名称
WEITWINKELOBJEKTIV
摘要
申请公布号
DD148391(C2)
申请公布日期
1983.05.25
申请号
DD19790218092
申请日期
1979.12.27
申请人
发明人
分类号
G02B13/06
主分类号
G02B13/06
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代理人
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