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发明名称
NUCLEAR REACTOR STEEL EXCELLENT IN ELECTRON BEAM WELDING CHARACTERISTIC
摘要
申请公布号
JPH0277562(A)
申请公布日期
1990.03.16
申请号
JP19880227483
申请日期
1988.09.13
申请人
NIPPON STEEL CORP
发明人
TOMITA YUKIO;TSUZUKI TAKESHI;YAMABA RYOTA
分类号
C22C38/00;C22C38/44
主分类号
C22C38/00
代理机构
代理人
主权项
地址
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