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发明名称
Verfahren zur Herstellung von unzerbrechlichen, insbesondere biegsamen Schallplatten.
摘要
申请公布号
CH158872(A)
申请公布日期
1932.12.15
申请号
CHD158872
申请日期
1931.11.27
申请人
LONZA ELEKTRIZITAETSWERKE UND CHEMISCHE FABRIKEN AKTIENGESELLSCHAFT (GAMPEL UND BASEL)
发明人
LONZA ELEKTRIZITAETSWERKE UND CHEMISCHE FABRIKEN AKTIENGESELLSCHAFT (GAMPEL UND BASEL)
分类号
主分类号
代理机构
代理人
主权项
地址
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