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发明名称
ELECTRICALLY POWERED APPARATUS FOR PRODUCING CONSTANT TENSION
摘要
申请公布号
PL125617(B2)
申请公布日期
1983.06.30
申请号
PL19800225779
申请日期
1980.07.18
申请人
发明人
分类号
G05D;G05D15/01;(IPC1-7):G05D15/01
主分类号
G05D
代理机构
代理人
主权项
地址
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