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Publication of BE514183ApublicationCriticalpatent/BE514183A/xx
C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
C03C27/02—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing by fusing glass directly to metal
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F7/00—Magnets
H01F7/06—Electromagnets; Actuators including electromagnets
H01F7/08—Electromagnets; Actuators including electromagnets with armatures
H01F7/13—Electromagnets; Actuators including electromagnets with armatures characterised by pulling-force characteristics
H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field