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发明名称
COKE OVEN MACHINERY DOOR EXTRACTOR SHROUD
摘要
申请公布号
US3709794(A)
申请公布日期
1973.01.09
申请号
USD3709794
申请日期
1971.06.24
申请人
KOPPERS CO INC,US
发明人
KINZLER R,US;EDGAR W,US;SUSTARSIC J,US
分类号
C10B25/14;C10B33/00;(IPC1-7):C10B25/14
主分类号
C10B25/14
代理机构
代理人
主权项
地址
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