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2 091 505

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C1

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IPC

(21) (22)

Application

3199964/25, 1988-05-20

(22)

Actual filing date

1988-05-20

(45)

Published

1997-09-27

(72)

Inventor

Il'In M.K.Filin S.A.Jampol'Skij V.I.

(73)

Holder

Obosoblennoe Nauchno-Issledovatel'Skoe Podrazdelenie Po Solnechnoj I Tochnoj Optike Pri Nauchno-Proizvodstvennom Ob"Edinenii

METHOD OF CLEANING OPTICAL SURFACE OF OBJECTS OF COPPER AND ITS ALLOYS Russian patent published in 1997 - IPC

Abstract RU 2091505 C1

FIELD: corrosion protection. SUBSTANCE: to improve corrosion-resistance of surface, the latter is successively treated by freon-acetone mixture and then by alifatic alcohol, whereupon surface is blown by carbon jet at temperature not exceeding 30 C. EFFECT: improved corrosion-resistance. 2 tbl 86o

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RU 2 091 505 C1

Authors

Il'In M.K.

Filin S.A.

Jampol'Skij V.I.

Dates

1997-09-27—Published

1988-05-20—Filed

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