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发明名称
Journal box seal
摘要
申请公布号
US2487669(A)
申请公布日期
1949.11.08
申请号
US19460716492
申请日期
1946.12.16
申请人
PATTULLO MILTON D;SHANAHAN RICHARD J
发明人
PATTULLO MILTON D.;SHANAHAN RICHARD J.
分类号
B61F15/22
主分类号
B61F15/22
代理机构
代理人
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