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发明名称
Способ изготовления фильеров
摘要
申请公布号
SU29254(A1)
申请公布日期
1933.02.28
申请号
SU19300075360
申请日期
1930.08.29
申请人
ROMANOV V.D.
发明人
ROMANOV V.D.
分类号
B22F5/10;C23C4/04;C23C4/12
主分类号
B22F5/10
代理机构
代理人
主权项
地址
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