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发明名称
摘要
申请公布号
GB1266583(A)
申请公布日期
1972.03.15
申请号
GBD1266583
申请日期
1969.06.19
申请人
发明人
分类号
G03B43/02
主分类号
G03B43/02
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代理人
主权项
地址
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