GB659215A - - Google Patents

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Publication number
GB659215A
GB659215A GB659215DA GB659215A GB 659215 A GB659215 A GB 659215A GB 659215D A GB659215D A GB 659215DA GB 659215 A GB659215 A GB 659215A
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parts
houston
class
permanent magnet
drawings
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  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Powder Metallurgy (AREA)

Abstract

659,215. Magnetic dust structures. BRITISH THOMSON-HOUSTON CO., Ltd. May 6, 1949, No. 12164. Convention date, May 7, 1948. Drawings to Specification. [Class 38 (ii)] [Also in Groups XXXVII and XL (a)] A permanent magnet comprises a sintered mixture of 30 parts of Fe 2 O 3' 44 parts of Fe 3 O 4 , and 26 parts of CO 2 O 3 .
GB659215D Active GB659215A (en)

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ID=1750121

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2243487A (en) * 1990-04-27 1991-10-30 Chun Shu Chiang A thermal starter switch for fluorescent lights

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2243487A (en) * 1990-04-27 1991-10-30 Chun Shu Chiang A thermal starter switch for fluorescent lights
GB2243487B (en) * 1990-04-27 1994-11-23 Chun Shu Chiang Thermal switch starter for fluorescent lights

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