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发明名称
UTILIZATION OF HEAT PRODUCED BY FRICTION
摘要
申请公布号
CA462757(A)
申请公布日期
1950.01.31
申请号
CAD462757
申请日期
申请人
HANS KLOPSTOCK;ERICH BERNFELD
发明人
HANS KLOPSTOCK;ERICH BERNFELD
分类号
主分类号
代理机构
代理人
主权项
地址
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