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发明名称
PROCESS FOR THE PRODUCTION OF ALLOYS USED AS ADDITIVE IN THE PRODUCTION OF SPHEROIDAL GRAPHITE CAST IRONS
摘要
申请公布号
US3544310(A)
申请公布日期
1970.12.01
申请号
USD3544310
申请日期
1968.03.01
申请人
NIPPON DENKO CO. LTD.
发明人
SHIRO TERADO;KOYA SEKI
分类号
C21C7/00;C22C33/04;(IPC1-7):C22C37/04;C22C39/04
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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