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发明名称
Waermeschutzfilter fuer Projektionseinrichtungen aus einzelnen Streifen
摘要
申请公布号
DE964000(C)
申请公布日期
1957.05.16
申请号
DE1955V008817
申请日期
1955.04.19
申请人
VEB ZEISS IKON DRESDEN
发明人
SCHERING DR. HELMUTH
分类号
G03B21/16
主分类号
G03B21/16
代理机构
代理人
主权项
地址
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