This standard specifies the laboratory-identified deflection limit value (DLV) of protective structures for earth-moving machinery. This structure is to provide protection for the driver of the earth moving machine.
GB/T 17772-1999 history
2018GB/T 17772-2018 Earth-moving machinery—Laboratory evaluations of protective structures—Specifications for deflection-limiting volume
1999GB/T 17772-1999 Earth-moving machinery--Laboratory evaluations of protective structures--Specifications for deflection-limiting volume