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经营范围
发明名称
Способ получения железных порошков
摘要
申请公布号
SU75351(A1)
申请公布日期
1948.11.30
申请号
SU19390026814
申请日期
1939.10.02
申请人
KOPRZHIV R.R.
发明人
KOPRZHIV R.R.
分类号
B22F9/22
主分类号
B22F9/22
代理机构
代理人
主权项
地址
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