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发明名称
CLOSURE FOR EXHAUST STACK
摘要
申请公布号
US3545365(A)
申请公布日期
1970.12.08
申请号
USD3545365
申请日期
1968.11.18
申请人
KOPPERS CO. INC.
发明人
EARLE S. SNADER
分类号
F23J13/08;(IPC1-7):F23L17/10
主分类号
F23J13/08
代理机构
代理人
主权项
地址
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