Lưu lượng kế thủy tinh GV10-15

* Quy cách:

GV/SV/FV10-15        GV/SV/FV10-15F
FV20-50F                 GV/SV/FV20-25
FV20-25F                 GV/SV/FV20-25F
GV/SV/FV20-50F      GV/SV/FV20-50
GV/SV/FV10-40        FV20-15F
FV20-40F                 GV/SV/FV10-40F
GV/SV/FV20-15        GV/SV/FV20-15F
GV/SV/FV20-40        GV/SV/FV10-25
GV/SV/FV10-50F        GV/SV/FV10-50
GV/SV/FV20-40F        GV/SV/FV10-25F