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经营范围
发明名称
HEAT-TREATMENT OF STEELS
摘要
申请公布号
US3615925(A)
申请公布日期
1971.10.26
申请号
USD3615925
申请日期
1968.02.16
申请人
NATIONAL RESEARCH DEVELOPMENT CORP.
发明人
SIDNEY GARBER;KENNETH JOHN ALBUTT
分类号
C21D9/46;(IPC1-7):C21D1/00
主分类号
C21D9/46
代理机构
代理人
主权项
地址
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