CH566051ACH1546371ACH1546371ACH566051ACH 566051 ACH566051 ACH 566051ACH 1546371 ACH1546371 ACH 1546371ACH 1546371 ACH1546371 ACH 1546371ACH 566051 ACH566051 ACH 566051A
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CH1546371A
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G04C21/00—Producing acoustic time signals by electrical means
G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm