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Perfektná ukážka pre mojich poslucháčov.Ďakujem!!!
잘 봤습니다. 감압밸브에 대한 이해를 한 눈에 볼 수 있도록 하셨군요. 짝짝짝!
thanks so much for easy and clear explanation
We OEM ball valve ,gate valve,check valve and globe valve for pentair
thank you helps clear up a problem
thanks.....nice explanation
clear about this valve
WOW!! thanx!!
Good know by see All are thaks
in which application it is made ?
Great . W done .
Can u send 1 video for altitude valve testing
It is similar to deluge valve
laud and clear
êrer
Perfektná ukážka pre mojich poslucháčov.Ďakujem!!!
잘 봤습니다. 감압밸브에 대한 이해를 한 눈에 볼 수 있도록 하셨군요. 짝짝짝!
thanks so much for easy and clear explanation
We OEM ball valve ,gate valve,check valve and globe valve for pentair
thank you helps clear up a problem
thanks.....nice explanation
clear about this valve
WOW!! thanx!!
Good know by see
All are thaks
in which application it is made ?
Great . W done .
Can u send 1 video for altitude valve testing
It is similar to deluge valve
laud and clear
êrer