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发明名称
Machine for serrating tubes and the like
摘要
申请公布号
US1923477(A)
申请公布日期
1933.08.22
申请号
US19290343046
申请日期
1929.02.27
申请人
CODA CHRISTOPHER F
发明人
CODA CHRISTOPHER F.
分类号
B21H5/02
主分类号
B21H5/02
代理机构
代理人
主权项
地址
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