DD21147A - - Google Patents

Info

Publication number
DD21147A
DD21147A DD21147DA DD21147A DD 21147 A DD21147 A DD 21147A DD 21147D A DD21147D A DD 21147DA DD 21147 A DD21147 A DD 21147A
Authority
DD
German Democratic Republic
Application number
Publication of DD21147A publication Critical patent/DD21147A/xx

Links

DD21147D DD21147A (it)

Publications (1)

Publication Number Publication Date
DD21147A true DD21147A (it)

Family

ID=231279

Family Applications (1)

Application Number Title Priority Date Filing Date
DD21147D DD21147A (it)

Country Status (1)

Country Link
DD (1) DD21147A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1764781B1 (de) * 1968-08-05 1971-10-28 Egyesuelt Izzolampa Verfahren zur herstellung von halophosphat leuchtstoff fuer leuchtstofflampen
DE2819614A1 (de) * 1977-05-06 1978-11-09 Philips Nv Niederdruckquecksilberdampfentladungslampe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1764781B1 (de) * 1968-08-05 1971-10-28 Egyesuelt Izzolampa Verfahren zur herstellung von halophosphat leuchtstoff fuer leuchtstofflampen
DE2819614A1 (de) * 1977-05-06 1978-11-09 Philips Nv Niederdruckquecksilberdampfentladungslampe

Similar Documents

Publication Publication Date Title
DE2353943C2 (de) Leuchtstoff, Verfahren zu dessen Herstellung und dessen Verwendung
US5905344A (en) Discharge lamps and methods for making discharge lamps
EP0229428B1 (en) Low-pressure mercury vapour discharge lamp
US4166234A (en) Fluorescent discharge lamp having luminescent material of a specified grain size
DE1764781B1 (de) Verfahren zur herstellung von halophosphat leuchtstoff fuer leuchtstofflampen
DD21147A (it)