GB452337A - - Google Patents

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Publication number
GB452337A
GB452337A GB452337DA GB452337A GB 452337 A GB452337 A GB 452337A GB 452337D A GB452337D A GB 452337DA GB 452337 A GB452337 A GB 452337A
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United Kingdom
Prior art keywords
glass
violet
ultra
ehrenbergstrasse
kingsway
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English (en)
Publication of GB452337A publication Critical patent/GB452337A/en
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GB452337D Active GB452337A (de)

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GB452337A true GB452337A (de)

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ID=1746659

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433690A (en) * 1941-07-26 1947-12-30 Electronic Lab Inc Illuminating unit
US2484837A (en) * 1938-06-27 1949-10-18 Burton G Lake Light signaling means
GB2232812A (en) * 1989-03-14 1990-12-19 Narva Veb Leads for a discharge lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484837A (en) * 1938-06-27 1949-10-18 Burton G Lake Light signaling means
US2433690A (en) * 1941-07-26 1947-12-30 Electronic Lab Inc Illuminating unit
GB2232812A (en) * 1989-03-14 1990-12-19 Narva Veb Leads for a discharge lamp

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