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经营范围
发明名称
CONTROL OF THE STEAM GENERATION IN ELECTRIC STEAM BOILERS
摘要
申请公布号
CA517992(A)
申请公布日期
1955.11.01
申请号
CAD517992
申请日期
申请人
AKTIEBOLAGET ZANDER AND INGESTROM
发明人
GOSTA VALDEMAR;NILS J. HALLMAN
分类号
主分类号
代理机构
代理人
主权项
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