SB3.3.1
SB2.4.1.1.
LINNIG SB2.4.1.1LINNIG SB2.4.1.1 shutting speed regulator for (fire) doors with electric motor as opening aid.
SB2.3.
SB3.3.1
SB2.4.1.1.
LINNIG SB2.4.1.1 shutting speed regulator for (fire) doors with electric motor as opening aid.
SB2.3.