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发明名称
Means for dissipation of frictional heat in brake drums
摘要
申请公布号
US1956855(A)
申请公布日期
1934.05.01
申请号
US19310557410
申请日期
1931.08.15
申请人
RUMMLER, RUMMLER & WOODWORTH
发明人
COLGREN ANDREW F.
分类号
F16D65/827
主分类号
F16D65/827
代理机构
代理人
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地址
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