This standard deals with smoothing trowels; it includes the dimensions, the designation, the material, design and marking of these trowels.#,,#
DIN 6439:1988 history
2024DIN 6439:2024-01 Trowels - Technical specifications / Note: Date of issue 2023-12-01*Intended as replacement for DIN 6439 (1988-05), DIN 7253 (1998-07).