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发明名称
SCHICHT MIT HOHEM BRECHNUNGSINDEX FUER OPTISCHE GLAESER U. DGL.
摘要
申请公布号
DE1668044(U)
申请公布日期
1953.12.03
申请号
DE194800D7192U
申请日期
1948.10.01
申请人
OPTISCHE WERKE C.A. STEINHEIL SOEHNE G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
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