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经营范围
发明名称
Band brake
摘要
申请公布号
US2146287(A)
申请公布日期
1939.02.07
申请号
US19370152015
申请日期
1937.07.06
申请人
DARMSTAETTER ARMIN A
发明人
DARMSTAETTER ARMIN A.
分类号
F16D51/04
主分类号
F16D51/04
代理机构
代理人
主权项
地址
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