BE438853A - - Google Patents
Info
- Publication number
- BE438853A BE438853A BE438853DA BE438853A BE 438853 A BE438853 A BE 438853A BE 438853D A BE438853D A BE 438853DA BE 438853 A BE438853 A BE 438853A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
- H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Adornments (AREA)
- Printing Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE213675X | 1939-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE438853A true BE438853A (fr) |
Family
ID=5814514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE438853D BE438853A (fr) | 1939-05-11 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE438853A (fr) |
CH (1) | CH213675A (fr) |
FR (1) | FR868485A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH682031B5 (fr) * | 1990-12-11 | 1994-01-14 | Semag-Isaquartz Ag | Procédé de fabrication en série d'objets à utilisation individuelle, procédé de controle de l'authenticité de tels objets et montreobtenue selon le premier procédé. |
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0
- BE BE438853D patent/BE438853A/xx unknown
-
1940
- 1940-04-29 CH CH213675D patent/CH213675A/fr unknown
- 1940-12-28 FR FR868485D patent/FR868485A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR868485A (fr) | 1941-12-31 |
CH213675A (de) | 1941-02-28 |