Alexandr Andreevich Bogdanov

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Lipetsk, SU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for lining ladles
- Patent number 4,214,856
- Issue date Jul 29, 1980
- Serafim V. Kolpakov
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for lining ladles
- Patent number 4,094,938
- Issue date Jun 13, 1978
- Serafim Vasilievich Kolpakov
- B22 - CASTING POWDER METALLURGY