Chongqing Provincial Standard of the People's Republic of China
Latest
DB50/ 147-2003
Scope
This standard specifies the safety technical requirements and safe operation requirements for simple green feed chopping machines (hereinafter referred to as green cutting machines); this standard is applicable to green cutting machines with supporting power of less than 2.2kw.
DB50/ 147-2003 Referenced Document
GB 10395.1-2001 Tractors and machinery for agriculture and forestry--Technical means for ensuring safety--Part 1: General
GB 10396 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment.Safety signs and hazard pictorials.General principles*， 2006-03-29 Update
GB 9969.1 General principles for preparation of instructions for use of industrial products
GB/T 9239 Balance quality of rigid rotors--Determination of permissible residual unbalance