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发明名称
Method of clinching ferrules in hollow wheels
摘要
申请公布号
US1985695(A)
申请公布日期
1934.12.25
申请号
US19310509899
申请日期
1931.01.20
申请人
BUDD WHEEL COMPANY
发明人
ROSENBERG RALPH H.
分类号
B21J15/10
主分类号
B21J15/10
代理机构
代理人
主权项
地址
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