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经营范围
发明名称
PROPPING-ENCASING LINING
摘要
申请公布号
PL231041(A1)
申请公布日期
1982.04.13
申请号
PL19810231041
申请日期
1981.05.08
申请人
ALLEGHENY LUDLUM STEEL;CT KT MASZYN GORNICZYCH KOMAG
发明人
JOHNS ROBERT H;ROMANOWICZ STANISLAW;JANIK EDWARD
分类号
B22D11/00;B22D11/06;(IPC1-7):B22D/
主分类号
B22D11/00
代理机构
代理人
主权项
地址
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