1 Scope
This standard specifies the product classification, requirements and test methods, inspection rules as well as marking, packaging, transportation and storage of pick holder for shearer and boom roadheader.
This standard is applicable to the pick holder for shearer and boom roadheader used in the coal mine.
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies.