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发明名称
Process for making mesh-sieves
摘要
申请公布号
US1814598(A)
申请公布日期
1931.07.14
申请号
US19280254828
申请日期
1928.02.16
申请人
RUDOLF HERRMANN
发明人
HERRMANN RUDOLF
分类号
B21F27/18
主分类号
B21F27/18
代理机构
代理人
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地址
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