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(19)

(11)

2 012 947

(13)

(51)

IPC

(21) (22)

Application

4945618/07, 1991-06-17

(22)

Actual filing date

1991-06-17

(45)

Published

1994-05-15

(72)

Inventor

Fedorenko A.S.Demyshev V.E.Meshcherjakov Ju.A.Golikova I.F.Litjushkin V.V.Golikov V.S.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij, Proektno-Konstruktorskij I Tekhnologicheskij Institut Istochnikov Sveta Im.A.N.Lodygina

SOURCE OF LIGHT Russian patent published in 1994 - IPC

Abstract RU 2012947 C1

FIELD: manufacture of luminescent and filament lamps. SUBSTANCE: inner surfaces of formed sections of bulb and plate in zone of their connection form angle 60-80 deg. Peripheral part of plate extends by 0.5-3.0 mm beyond formed part of bulb. Plate of stem is produced from glass with content of lead oxide not higher than 15% . EFFECT: facilitated manufacture reduced production cost. 2 dwg

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RU 2 012 947 C1

Authors

Fedorenko A.S.

Demyshev V.E.

Meshcherjakov Ju.A.

Golikova I.F.

Litjushkin V.V.

Golikov V.S.

Dates

1994-05-15—Published

1991-06-17—Filed