Specifies minimum dimensions for cutting attachment guards of portable hand-held brush cutters and grass-trimmers with internal combustion engines, for use primarily in forestry. Does not apply for lawn-trimmers.
BS ISO 7918:1996 history
0000 BS ISO 7918:1995(1998)
1996BS ISO 7918:1996 Forestry machinery - Portable brush cutters and grass trimmers - Cutting attachment guard dimensions
1996BS ISO 7918:1995 Forestry machinery. Portable brush cutters and grass trimmers. Cutting attachment guard dimensions