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发明名称
Improvements in or relating to the manufacture of metal sieves
摘要
申请公布号
GB734731(A)
申请公布日期
1955.08.03
申请号
GB19530021140
申请日期
1951.06.12
申请人
HANS NOLD;WILLI NOLD;FRITZ NOLD
发明人
分类号
B21D31/02
主分类号
B21D31/02
代理机构
代理人
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地址
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