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发明名称
LEVELLING BEAM FOR HORIZONTAL CHAMBER BY-PRODUCT COKE OVENS
摘要
申请公布号
CA685561(A)
申请公布日期
1964.04.28
申请号
CAD685561
申请日期
申请人
KOPPERS COMPANY
发明人
JOSEPH BECKER
分类号
主分类号
代理机构
代理人
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