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经营范围
发明名称
Improvements in or relating to clutch or brake friction elements
摘要
申请公布号
GB623021(A)
申请公布日期
1949.05.11
申请号
GB19460016779
申请日期
1946.06.03
申请人
HANS RANGVALD AMUNDSEN
发明人
分类号
F16D69/04
主分类号
F16D69/04
代理机构
代理人
主权项
地址
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