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经营范围
发明名称
Apparatus for building up and hardsurfacing cylindrical rollers
摘要
申请公布号
US2868165(A)
申请公布日期
1959.01.13
申请号
US19560556843
申请日期
1956.01.03
申请人
ALTMAN HUGO A
发明人
ALTMAN HUGO A.
分类号
B02C4/30
主分类号
B02C4/30
代理机构
代理人
主权项
地址
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