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发明名称
Verres optiques exempts de thorium
摘要
申请公布号
FR1233372(A)
申请公布日期
1960.10.12
申请号
FR19590803309
申请日期
1959.08.21
申请人
JENAER GLASWERK SCHOTT & GEN.
发明人
分类号
C03C3/155
主分类号
C03C3/155
代理机构
代理人
主权项
地址
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