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经营范围
发明名称
Hand brake
摘要
申请公布号
US2139007(A)
申请公布日期
1938.12.06
申请号
US19370129680
申请日期
1937.03.08
申请人
W. H. MINER, INC.
发明人
DWYER WILLIAM M.
分类号
B61H13/04
主分类号
B61H13/04
代理机构
代理人
主权项
地址
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