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发明名称
Process for the production of cast iron
摘要
申请公布号
US1965436(A)
申请公布日期
1934.07.03
申请号
US19310526597
申请日期
1931.03.31
申请人
HEINRICH LANZ AKTIENGESELLSCHAFT
发明人
SIPP KARL
分类号
C21C1/00
主分类号
C21C1/00
代理机构
代理人
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