The gauge when inserted into the socket-outlet, without undue force but at any possible angle, shall cause lamp L2 to light up before lamps L1
19 giugno 2025
The gauge when inserted into the socket-outlet, without undue force but at any possible angle, shall cause lamp L2 to light up before lamps L1
EN 
ES 
RU 
PT 
TR 
AR 
DE 
PL 
IT 
FR 
KO 
JA 