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发明名称
Brake
摘要
申请公布号
US1855636(A)
申请公布日期
1932.04.26
申请号
US19290405174
申请日期
1929.11.06
申请人
KETCHUM GEORGE H
发明人
KETCHUM GEORGE H.
分类号
B66D5/02;B66D5/10;F16D65/80
主分类号
B66D5/02
代理机构
代理人
主权项
地址
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