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发明名称
Door handling gear for use with horizontal coking chamber ovens
摘要
申请公布号
US2807372(A)
申请公布日期
1957.09.24
申请号
US19540426244
申请日期
1954.04.28
申请人
KOPPERS COMPANY, INC.
发明人
HENSELEIT GEORG
分类号
C10B25/14
主分类号
C10B25/14
代理机构
代理人
主权项
地址
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