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发明名称
IMPROVEMENTS RELATING TO FRICTION CONTROL DEVICES
摘要
申请公布号
GB1214516(A)
申请公布日期
1970.12.02
申请号
GB19680017126
申请日期
1968.04.10
申请人
THOMAS CLATWORTHY
发明人
THOMAS CLATWORTHY
分类号
E05C17/20
主分类号
E05C17/20
代理机构
代理人
主权项
地址
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