Agricultural wheeled tractors - Rear-mounted three-point linkage - Part 1: Categories 1, 2, 3 and 4 (ISO 730-1:1994) DIN EN ISO 4254-1 Agricultural machinery - Safety - Part 1: General requirements (ISO 4254-1:2005) DIN ISO 2332 Agricultural tractors and machinery - Connection of implements via three-point linkage - Clearance zone around implement (ISO 2332:1993) DIN EN 1541 Paper and board intended to come into contact with foodstuffs - Determination of formaldehyde in an aqueous extract; English version of DIN EN 1541 DIN 82 Knurls DIN EN 836 Garden equipment - Powered lawnmowers - Safety DIN 19683-9 Soil testing in agricultural hydrology - Physical laboratory tests - Determining the water permeability of saturated core samples DIN 8243 Slotted Cheese Head Screws for Fine Mechanics; M 0.3 to M 1.4 DIN EN 836/A2 Garden equipment - Powered lawnmowers - Safety; English version of DIN EN 836:1997/A2:2001 DIN EN 836/A3 Garden equipment - Powered lawnmowers - Safety