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经营范围
发明名称
Friction brake
摘要
申请公布号
US2171585(A)
申请公布日期
1939.09.05
申请号
US19360071636
申请日期
1936.03.30
申请人
GUSTAV MATTERSDORF
发明人
MATTERSDORF GUSTAV
分类号
F16D51/38
主分类号
F16D51/38
代理机构
代理人
主权项
地址
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