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发明名称
Coke oven door
摘要
申请公布号
US1830958(A)
申请公布日期
1931.11.10
申请号
US19270214404
申请日期
1927.08.20
申请人
CARL OTTO
发明人
OTTO CARL
分类号
C10B25/12
主分类号
C10B25/12
代理机构
代理人
主权项
地址
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