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发明名称
Self-engaging reverse motion brake
摘要
申请公布号
US1863556(A)
申请公布日期
1932.06.21
申请号
US19270207392
申请日期
1927.07.21
申请人
COTTRELL HERBERT T
发明人
COTTRELL HERBERT T.
分类号
B60T7/12
主分类号
B60T7/12
代理机构
代理人
主权项
地址
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