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发明名称
Apparatus for maintaining a carburizing atmosphere during heat treatment
摘要
申请公布号
US3397875(A)
申请公布日期
1968.08.20
申请号
US19660551731
申请日期
1966.05.20
申请人
LEEDS & NORTHRUP COMPANY
发明人
II RAYMOND L. DAVIS
分类号
C21D1/767;C23C8/22
主分类号
C21D1/767
代理机构
代理人
主权项
地址
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