CH420904A - Dispositif de blocage d'un élément mobile par rapport à un élément fixe
- Google Patents
Dispositif de blocage d'un élément mobile par rapport à un élément fixe
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Publication number
CH420904A
CH420904ACH1220364ACH1220364ACH420904ACH 420904 ACH420904 ACH 420904ACH 1220364 ACH1220364 ACH 1220364ACH 1220364 ACH1220364 ACH 1220364ACH 420904 ACH420904 ACH 420904A
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Priority claimed from GB3686163Aexternal-prioritypatent/GB1077264A/en
Application filed by Cheney & Son Ltd CfiledCriticalCheney & Son Ltd C
Publication of CH420904ApublicationCriticalpatent/CH420904A/fr