NF S61-938:1991 Fire safety systems (F.F.S.). Manual control device (M.C.D.). Manual centralized control device (M.C.C.D.). Control with indicating device (C.I.D.). Command adapter device (C.A.D.).
1991NF S61-938:1991 Fire safety systems (F.F.S.). Manual control device (M.C.D.). Manual centralized control device (M.C.C.D.). Control with indicating device (C.I.D.). Command adapter device (C.A.D.).