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发明名称
Machine for peening pipe flanges
摘要
申请公布号
US1953842(A)
申请公布日期
1934.04.03
申请号
US19320631265
申请日期
1932.08.31
申请人
WEARNE RICHARD D
发明人
WEARNE RICHARD D.
分类号
B21D39/06
主分类号
B21D39/06
代理机构
代理人
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地址
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