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发明名称
Verfahren zur Untersuchung von Stoffen, insbesondere von Holzspänen für den Bau von Resonanzgebilden.
摘要
申请公布号
AT121072(B)
申请公布日期
1931.01.26
申请号
ATD121072
申请日期
1929.09.24
申请人
RUDOLF KOPP;EDWIN WEICKERT
发明人
RUDOLF KOPP;EDWIN WEICKERT
分类号
主分类号
代理机构
代理人
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