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发明名称
Locomotive
摘要
申请公布号
US1792889(A)
申请公布日期
1931.02.17
申请号
US19290359464
申请日期
1929.05.01
申请人
BRUCE ALFRED W
发明人
BRUCE ALFRED W.
分类号
B61F1/06
主分类号
B61F1/06
代理机构
代理人
主权项
地址
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