Pnevmatik tushirish balli valfi
Pnevmatik tushirish balli valfi
1,Dizayn va ishlab chiqarish:GB/T12237-1989;
2, Tekshirish va sinov: GB / T13927-1992;
3 ,Ftishli ulanish:GB/T9115.1-2000.
4,Yuzma-yuz o'lcham: JD-2002.
Xabaringizni shu yerga yozing va bizga yuboring