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发明名称
Automatic train pipe coupling head
摘要
申请公布号
US2122439(A)
申请公布日期
1938.07.05
申请号
US19340755831
申请日期
1934.12.03
申请人
ROY M. WOLVIN
发明人
ROBINSON JOSEPH
分类号
B61G5/08
主分类号
B61G5/08
代理机构
代理人
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