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发明名称
Apparatus for making paper
摘要
申请公布号
US2259859(A)
申请公布日期
1941.10.21
申请号
US19390259587
申请日期
1939.03.03
申请人
EARL COVEY ELZY
发明人
COVEY ELZY EARL
分类号
D21F9/04
主分类号
D21F9/04
代理机构
代理人
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地址
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