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

QC/T 375-1999

One end is fixed on the single pipe clamp of the large hole