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发明名称
Retarding mechanism for railway rolling stock
摘要
申请公布号
US1838275(A)
申请公布日期
1931.12.29
申请号
US19290398959
申请日期
1929.10.11
申请人
MCGLONE BERNARD T
发明人
MCGLONE BERNARD T.
分类号
B61K7/12
主分类号
B61K7/12
代理机构
代理人
主权项
地址
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