Valentin Vasilievich Rakov

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Moscow, RU

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Patents Grantslast 30 patents

Information Patent Grant
System and a rotary vacuum distiller for water recovery from aqueou...
- Patent number 6,258,215
- Issue date Jul 10, 2001
- Otkrytoe aktsionernoe obschestvo “Nauchno-Issledovatelsky I Konstruktosky Ins...
- Nikolai Mikhailovich Samsonov
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE