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发明名称
Apparatus for processing tubular metal workpieces
摘要
申请公布号
US2040477(A)
申请公布日期
1936.05.12
申请号
US19330692878
申请日期
1933.10.09
申请人
GEIB JR ROBERT U
发明人
JR. ROBERT U. GEIB,
分类号
B21B19/04
主分类号
B21B19/04
代理机构
代理人
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地址
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