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发明名称
DIOPTRIENAUSGLEICHS-VORRICHTUNG FUER KOMPAKT-FERNGLAESER.
摘要
申请公布号
DE1931347(U)
申请公布日期
1966.01.20
申请号
DE1961D025956U
申请日期
1961.01.13
申请人
D & D COMPANY, INC.
发明人
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主分类号
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