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经营范围
发明名称
(B1) ;DUCTILE CAST IRON
摘要
申请公布号
PL218171(A1)
申请公布日期
1981.04.10
申请号
PL19790218171
申请日期
1979.09.07
申请人
INST MECH PRECYZ
发明人
PACHOWSKI MIECZYSLAW
分类号
C22C;C22C37/04;(IPC1-7):C22C/
主分类号
C22C
代理机构
代理人
主权项
地址
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