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发明名称
Journal box
摘要
申请公布号
US2533917(A)
申请公布日期
1950.12.12
申请号
US19470749542
申请日期
1947.05.21
申请人
NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY
发明人
BUCKIUS ALBERT OLIVER;WILLISON DONALD
分类号
B61F15/18
主分类号
B61F15/18
代理机构
代理人
主权项
地址
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