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经营范围
发明名称
Surface hardened annular grinding ring
摘要
申请公布号
US2876955(A)
申请公布日期
1959.03.10
申请号
US19540436104
申请日期
1954.06.11
申请人
THE BABCOCK & WILCOX COMPANY
发明人
CLEMENTS WARREN F.
分类号
B02C15/02
主分类号
B02C15/02
代理机构
代理人
主权项
地址
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