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发明名称
Door lifting apparatus for grain pits and the like
摘要
申请公布号
US2565202(A)
申请公布日期
1951.08.21
申请号
US19470763960
申请日期
1947.07.26
申请人
CHRISTISON RICHARD A
发明人
CHRISTISON RICHARD A.
分类号
B65D90/62
主分类号
B65D90/62
代理机构
代理人
主权项
地址
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