Brief introduction:

Executive Standard: GB/T 12718-2001

- Applied to the haulage chain of drag conveyors, coal planers, drum shearers.

- Applied to the haulage chain of other machines used for coal mining

Application:

- Applied to the haulage chain of drag conveyors, coal planers, drum shearers.

- Applied to the haulage chain of other machines used for coal mining.