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发明名称
Railroad brake slack adjuster
摘要
申请公布号
US2648408(A)
申请公布日期
1953.08.11
申请号
US19490135898
申请日期
1949.12.30
申请人
MARTIN WILLIAM O
发明人
MARTIN WILLIAM O.
分类号
B61H15/00
主分类号
B61H15/00
代理机构
代理人
主权项
地址
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