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发明名称
Hassock
摘要
申请公布号
US2291513(A)
申请公布日期
1942.07.28
申请号
US19390287226
申请日期
1939.07.29
申请人
THE PULLMAN COMPANY
发明人
TULLY JAMES K.
分类号
B61D33/00
主分类号
B61D33/00
代理机构
代理人
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