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发明名称
IMPROVEMENTS IN OR RELATING TO GLASSES
摘要
申请公布号
GB1248678(A)
申请公布日期
1971.10.06
申请号
GB19690051616
申请日期
1969.10.21
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
WILHELM BAUM
分类号
C03C3/091;C03C3/093;C03C27/02
主分类号
C03C3/091
代理机构
代理人
主权项
地址
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