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发明名称
Hatch construction
摘要
申请公布号
US2565704(A)
申请公布日期
1951.08.28
申请号
US19480010479
申请日期
1948.02.24
申请人
STANDARD RAILWAY EQUIPMENT MANUFACTURING COMPANY
发明人
SWANN JAMES S.
分类号
B61D17/16
主分类号
B61D17/16
代理机构
代理人
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地址
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