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经营范围
发明名称
Hydrodynamic brake
摘要
申请公布号
US2775318(A)
申请公布日期
1956.12.25
申请号
US19520293017
申请日期
1952.06.11
申请人
SMITH RAY F
发明人
SMITH RAY F.
分类号
F16D57/02
主分类号
F16D57/02
代理机构
代理人
主权项
地址
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