Lock with locking function released by inserting a key card with a magnetized region
A Standard patent application filed on 11 January 1991 credited to Eisermann, Armin
Details
Application number :
70684
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Lock with locking function released by inserting a key card with a magnetized region