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经营范围
发明名称
Manufacture of high grade iron and steel
摘要
申请公布号
US2266816(A)
申请公布日期
1941.12.23
申请号
US19400340794
申请日期
1940.06.15
申请人
STEVAN RUZICKA
发明人
RUZICKA STEVAN
分类号
C04B7/32;C21B13/08
主分类号
C04B7/32
代理机构
代理人
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地址
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