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发明名称
Selbstdichtende Koksofentuer
摘要
申请公布号
DE571205(C)
申请公布日期
1933.02.24
申请号
DENDATB129399D
申请日期
申请人
ARNOLD BECKERS
发明人
分类号
C10B25/16
主分类号
C10B25/16
代理机构
代理人
主权项
地址
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