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发明名称
Method and apparatus for grinding welded rails
摘要
申请公布号
US3090170(A)
申请公布日期
1963.05.21
申请号
US19610120107
申请日期
1961.05.16
申请人
CHEMETRON CORPORATION
发明人
SLATTERY ROBERT E.
分类号
B24B19/00;B24B21/12
主分类号
B24B19/00
代理机构
代理人
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