HB 4-138-1979 Two sets of steel wire braided hoses with internal and external conical tube tips

HB 4-123-1979 Stress on the work of 4; 5 groups of cotton thread woven hoses with inner and outer conical tube nozzles, which is 15kg/cm^2 HB 4-124-1979 The work pressure is 15 Kg/cm 2, and it is a 4; 5 set of cotton cord woven hose with an internal conical tube mouth HB 4-125-1979 Work pressure of 15 kg/cm 2 with external conical tube nozzle for 4; 5 cotton yarn woven hose HB 4-126-1979 HB 4-127-1979 The work pressure is 15 kg/cm^2, and there are two sets of cotton woven hoses with inner and outer conical tube nozzles HB 4-128-1979 The work pressure is 15 kg/cm 2, and there are two sets of cotton woven hoses with internal conical tube nozzles HB 4-129-1979 The work pressure is 15 kg/cm 2, and there are two sets of cotton cord woven hoses with external conical tube nozzles HB 4-130-1979 Work pressure of 30-120 Kg/cm2 for four sets of cotton woven hoses with inner and outer conical tube nozzles HB 4-131-1979 The four sets of cotton woven hoses equipped with internal conical threaded nozzles are subject to work pressure ranging from 30 to 120 kg/cm² HB 4-132-1979 The work pressure of the four sets of cotton cord woven hoses equipped with external conical tube nozzles is 30-120 Kg/cm 2 HB 4-133-1979 Air rubber cotton woven hose technical specification HB 4-134-1979 Signboard HB 4-135-1979 HB 4-136-1979 A set of steel wire braided hose with internal conical tube mouth HB 4-137-1979 Steel wire braided hose with external conical nozzle group HB 4-139-1979 Two sets of steel wire braided hoses with internal conical tube mouth HB 4-140-1979 Two sets of steel wire braided hoses with external conical tube nozzles HB 4-141-1979 Synthetic leather hose seamstitching HB 4-142-1979 Technical specification for aviation rubber steel wire braided hose

HB 4-138-1983 Two sets of steel wire braided hoses equipped with inner and outer conical tube nozzles