Mining ordinance of the Hessian chief mining authority for the amendment to the mining ordinance on safety markings at the working place (BVSikA)
Edition 1980-10-01

Mining ordinance of the chief mining authority in Clausthal-Zellerfeld for the Free Hanseatic City of Bremen regarding the safety markings at working places
Edition 1978-11-27

Guidelines for the granting of exemption permits in accordance with § 70 StVZO for special working machines and other types of vehicles (guidelines of § 70 StVZO)
Edition 1980-05-12

Minimum requirements on the ergonomic layout of barbers' working places, especially in ladies' salons, as well as of the work equipment and the work processes (MfF)
Edition 1984-11-16

Introduction of generally recognized rules of sewage engineering; working papers A 109, A 118, A 122, A 128, A 129 and A 131
Edition 1983-08-28

Information and documentation - Work process analysis for records
Edition 2008-06

Summary of average stress rupture properties of wrought steels for boilers and pressure vessels
Edition 1981-01

Guidelines for the granting of exemption permits in accordance with § 70 StVZO for special working machines and other types of vehicles (guidelines of § 70 StVZO); guideline 5: Shovel loaders
Edition 1980-05-12

Guidelines for the granting of exemption permits in accordance with § 70 StVZO for special working machines and other types of vehicles (guidelines of § 70 StVZO); guideline 6: Dumper
Edition 1980-05-12