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发明名称
Improved manufacture of profile metal sections from strip or rod material
摘要
申请公布号
GB531593(A)
申请公布日期
1941.01.07
申请号
GB19390021855
申请日期
1939.07.27
申请人
HANS NEVYJEL;FRIEDRICH RAMSCHEGG
发明人
分类号
B21D5/08
主分类号
B21D5/08
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