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经营范围
发明名称
Tropensichere Lichtfilter, insbesondere Polarisationsfilter
摘要
申请公布号
DE1023247(B)
申请公布日期
1958.01.23
申请号
DE1956K030238
申请日期
1956.11.02
申请人
ERWIN KAESEMANN
发明人
KAESEMANN ERWIN
分类号
G02B5/30
主分类号
G02B5/30
代理机构
代理人
主权项
地址
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