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发明名称
Improvements in or relating to feeding devices for pilger rolling mills
摘要
申请公布号
GB395465(A)
申请公布日期
1933.07.20
申请号
GB19320009657
申请日期
1932.04.04
申请人
Mannesmannröhren-Werke
发明人
分类号
B21B21/04;B21B21/06
主分类号
B21B21/04
代理机构
代理人
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