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发明名称
Track-carried hatch cover
摘要
申请公布号
US2626583(A)
申请公布日期
1953.01.27
申请号
US19500158402
申请日期
1950.04.27
申请人
EMMA STEHR
发明人
STEHR EMMA
分类号
B63B19/18;B63B27/04;B66C23/60
主分类号
B63B19/18
代理机构
代理人
主权项
地址
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