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发明名称
HALTEVORRICHTUNG FUER KUNSTLICHE ZAEHNE.
摘要
申请公布号
DE1600150(U)
申请公布日期
1950.02.02
申请号
DE19491600150U
申请日期
1949.12.07
申请人
DR. AUGUST DUPPERS
发明人
DR. AUGUST DUPPERS
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