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发明名称
Verfahren zur Herstellung von quellfaehigen Tonen
摘要
申请公布号
DE818326(C)
申请公布日期
1951.10.25
申请号
DE1950A003474
申请日期
1950.09.12
申请人
ANGER HERMANN
发明人
ANGER HERMANN
分类号
C04B33/13
主分类号
C04B33/13
代理机构
代理人
主权项
地址
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