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经营范围
发明名称
Ofen zum Schwelen oder Verkoken von Brennstoffen
摘要
申请公布号
DE613003(C)
申请公布日期
1935.05.10
申请号
DE1933H137021D
申请日期
1933.08.02
申请人
OTTO HELLMANN;OTTO HELLMANN
发明人
分类号
C10B7/02
主分类号
C10B7/02
代理机构
代理人
主权项
地址
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