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发明名称
Способ электролитического покрытия металлических поверхностей зернистым осадком хрома
摘要
申请公布号
SU20427(A1)
申请公布日期
1931.04.30
申请号
SU19290038892
申请日期
1929.01.16
申请人
BIRYUKOV N.D.
发明人
BIRYUKOV N.D.
分类号
C25D3/04
主分类号
C25D3/04
代理机构
代理人
主权项
地址
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