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发明名称
Improvements in pilger rolls
摘要
申请公布号
GB410044(A)
申请公布日期
1934.05.10
申请号
GB19330034989
申请日期
1933.12.12
申请人
MANNESMANNROEHREN-WERKE
发明人
分类号
B21B21/02
主分类号
B21B21/02
代理机构
代理人
主权项
地址
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