QC/T 385-1999
Hexagon magnetic screw plug
QC/T 621-1999
Elastic hoop steel wire type
QC/T 621-1999
Elastic hoop steel belt type
Q 671B-1999
Elastic hoop steel wire type
Q 673B-1999
Elastic hoop steel belt type
Q 674-1999
Plastic narrow band
Q 674-1999
Plastic wide tension band
QC/T 349-1999
Plastic narrow band
QC/T 349-1999
Plastic wide tension band
Q 675-1999
Type A worm-driven hose hoop
QC/T 620-1999
Type A worm-driven hose hoop
Q 676-1999
Type B worm-driven hose hoop
Q 676B-1999
Type C worm-driven hose hoop
QC/T 619-1999
Type B worm-driven hose hoop
QC/T 619-1999
Type C worm-driven hose hoop
Q 679-1999
Symmetrical double clamps
QC/T 371-1999
Symmetrical double clamp
Q 681-1999
One end is fixed on the single pipe clamp of the small hole
Q 682-1999
One end is fixed on the single pipe clamp of the large hole
QC/T 375-1999
One end is fixed on the single pipe clamp of the small hole
