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发明名称
SCHALTUNGSANORDNUNG ZUR REGELUNG DER HEIZSPANNUNG VON DRAHTERWAERMUNGSANLAGEN
摘要
申请公布号
DD128919(B1)
申请公布日期
1980.08.06
申请号
DD19760195178
申请日期
1976.10.06
申请人
发明人
分类号
B21C31/00
主分类号
B21C31/00
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代理人
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