FILE Russian patent published in 1997 - IPC

Abstract RU 2074060 C1

FIELD: mechanical engineering. SUBSTANCE: base 2 is provided with cutting members made up as an assembly of plates 1 and spacers 9 the sizes of which are the same as that of plates 1 and the material of which is more hard than that of the plates. Plates 1 have alternative strengthening layers 3. EFFECT: enhanced durability. 5 dwg

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RU 2 074 060 C1

Authors

Golovach Vadim Aleksandrovich

Dates

1997-02-27—Published

1993-09-23—Filed