This standard specifies the basic types and parameter series of double-plate and multi-plate bulk cargo grabs (hereinafter referred to as grabs) in ports. This standard applies to grabs used for loading and unloading in ports, mining, railways, chemical industry, metallurgy, electric power, environmental protection and other industries.
JT/T 403-1999 history
1999JT/T 403-1999 Grab basic type and parameter series for the harbour grab