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Priority claimed from FR6923018Aexternal-prioritypatent/FR2053499A6/fr
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Publication of GB1296059ApublicationCriticalpatent/GB1296059A/en
H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
H01H9/20—Interlocking, locking, or latching mechanisms
H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts