Steel wellheads - DN 300 to DN 1200
Edition 2016-12

Flanged steel rising pipes for raising of water - Nominal diameter 50 to 200
Edition 2021-12

Pipes for use in freezing shaft sinking - Dimensions and technical delivery conditions
Edition 2016-10

Graphical layout and documentation of wells and ground water measuring points
Edition 2023-02

Closures for groundwater measuring stations
Edition 2007-11

Rising pipes with tension proof socket for water raising - Part 1: Steel pipes DN 50 to DN 200, plastic coated
Edition 2005-12

Rising pipes with tension proof socket for water raising - Part 2: Stainless steel pipes DN 50 to DN 200
Edition 2006-09

Ceramic indexable inserts, with rounded corners, without fixing hole
Edition 1993-11

Business forms - Layout key for trade documents - Inquiry, offer, order/order change, order response, delivery note and invoice
Edition 2006-04

Business forms - Standard bill of exchange
Edition 2007-02