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发明名称
Fremgangsmåde ved fremstilling af multifokale linseemner.
摘要
申请公布号
DK85274(C)
申请公布日期
1958.03.24
申请号
DK19540000205
申请日期
1954.01.22
申请人
PITTSBURGH PLATE GLASS COMPANY
发明人
分类号
C03B;(IPC1-7):C03B
主分类号
C03B
代理机构
代理人
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地址
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