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经营范围
发明名称
Aluminium-Chrom-Stähle.
摘要
申请公布号
AT135326(B)
申请公布日期
1933.11.10
申请号
ATD135326
申请日期
1931.10.29
申请人
HELMUTH GONSCHEWSKI
发明人
HELMUTH GONSCHEWSKI
分类号
C22C38/06;C22C38/18
主分类号
C22C38/06
代理机构
代理人
主权项
地址
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