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发明名称
Truck auxiliary brake
摘要
申请公布号
US2612241(A)
申请公布日期
1952.09.30
申请号
US19470748194
申请日期
1947.05.15
申请人
POWELL JOHN V
发明人
POWELL JOHN V.
分类号
F16D49/16
主分类号
F16D49/16
代理机构
代理人
主权项
地址
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