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Written notification and methods of verification
The invention relates to a written message (11) for transmitting at least one secret (14) to a user, comprising a carrier medium (15) having applied thereto information (13) and a removable cover (12) the secret ( 14) covering, in order to ensure 100% coverage of the secret. Expand
Clamping locking device and manufacturing method thereof
Locking device for clamping comprises at least one clamping body (16; 16 ') and an outer ring (12; 12') and an inner ring (14; 14 ') disposed coaxially therein, which together form one guideway (20;… Expand