FLOOR Russian patent published in 1994 - IPC

Abstract RU 2013505 C1

FIELD: construction. SUBSTANCE: panel hollow confined by side faces of contour ribs and upper surface of flange is filled flush together with upper face of ribs with sound-absorbing material. Ordinates of prismatic surface comply with presented relationship. EFFECT: higher efficiency. 2 dwg, 1 tbl

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RU 2 013 505 C1

Authors

Bastatskij B.N.

Fedorov V.A.

Kobakhidze G.M.

Dates

1994-05-30—Published

1991-11-25—Filed