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发明名称
Roestofen fuer Zinkblende
摘要
申请公布号
DE502322(C)
申请公布日期
1930.07.11
申请号
DE1927B129251D
申请日期
1927.01.18
申请人
BALZ-ERZROESTUNG G.M.B.H.
发明人
分类号
C22B1/02;F27B3/22;F27B9/24
主分类号
C22B1/02
代理机构
代理人
主权项
地址
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