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发明名称
Dreigliedriges Objektiv
摘要
申请公布号
DE1025641(B)
申请公布日期
1958.03.06
申请号
DE1955B041448
申请日期
1955.05.31
申请人
LUDWIG BERTELE
发明人
BERTELE LUDWIG
分类号
G02B9/34
主分类号
G02B9/34
代理机构
代理人
主权项
地址
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