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发明名称
Unterfangnetz
摘要
申请公布号
AT168519(B)
申请公布日期
1951.06.25
申请号
ATD168519
申请日期
1949.12.20
申请人
DR. FRITZ STEURER
发明人
DR. FRITZ STEURER
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主分类号
代理机构
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