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发明名称
Brake block
摘要
申请公布号
US2970675(A)
申请公布日期
1961.02.07
申请号
US19570674932
申请日期
1957.07.29
申请人
THE S. K. WELLMAN COMPANY
发明人
BIGGS ROBERT W.
分类号
F16D69/02
主分类号
F16D69/02
代理机构
代理人
主权项
地址
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