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发明名称
Journal box
摘要
申请公布号
US2134499(A)
申请公布日期
1938.10.25
申请号
US19340759590
申请日期
1934.12.28
申请人
THE SYMINGTON-GOULD CORPORATION
发明人
BARROWS DONALD S.
分类号
B61F15/26
主分类号
B61F15/26
代理机构
代理人
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