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发明名称
Method and means for spinning rims on spool heads
摘要
申请公布号
US2258691(A)
申请公布日期
1941.10.14
申请号
US19390274217
申请日期
1939.05.17
申请人
TERRELL EDGAR A
发明人
TERRELL EDGAR A.
分类号
B21D19/04
主分类号
B21D19/04
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