GB1079991A - - Google Patents

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Publication number
GB1079991A
GB1079991A GB1079991DA GB1079991A GB 1079991 A GB1079991 A GB 1079991A GB 1079991D A GB1079991D A GB 1079991DA GB 1079991 A GB1079991 A GB 1079991A
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Prior art keywords
core
multivibrator
frequency
respect
change
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English (en)
Publication of GB1079991A publication Critical patent/GB1079991A/en
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  • Electromagnets (AREA)
GB1079991D Active GB1079991A (de)

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GB1079991A true GB1079991A (de)

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ID=1758723

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122392A (en) * 1975-08-20 1978-10-24 Nippon Steel Corporation System of detecting a change in the charge put in a metallurgical furnace or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122392A (en) * 1975-08-20 1978-10-24 Nippon Steel Corporation System of detecting a change in the charge put in a metallurgical furnace or the like

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