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发明名称
Schallkörper von Streich- und Zupfinstrumenten.
摘要
申请公布号
AT153580(B)
申请公布日期
1938.06.10
申请号
ATD153580
申请日期
1937.04.27
申请人
ING. RUDOLF CZERMAK
发明人
ING. RUDOLF CZERMAK
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主分类号
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