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经营范围
发明名称
Vehicle brake
摘要
申请公布号
US2139646(A)
申请公布日期
1938.12.06
申请号
US19380191768
申请日期
1938.02.21
申请人
AVERY RUBE A
发明人
AVERY RUBE A.
分类号
F16D51/12
主分类号
F16D51/12
代理机构
代理人
主权项
地址
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