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发明名称
Tapering tool
摘要
申请公布号
US3361017(A)
申请公布日期
1968.01.02
申请号
US19660538374
申请日期
1966.03.29
申请人
KOPPERS COMPANY, INC.
发明人
BAUMGARTEN DONALD J.
分类号
C03B33/06
主分类号
C03B33/06
代理机构
代理人
主权项
地址
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