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发明名称
Journal box
摘要
申请公布号
US1828312(A)
申请公布日期
1931.10.20
申请号
US19270212446
申请日期
1927.08.12
申请人
NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY
发明人
BUCKIUS ALBERT O.
分类号
B61F15/00
主分类号
B61F15/00
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