DIN 77400

Cleaning services - School buildings - Requirements for the cleaning

Deutsches Institut Fur Normung E.V. (German National Standard) , 09/01/2003

Publisher: DIN

File Format: PDF

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Standard By:Deutsches Institut Fur Normung E.V. (German National Standard) , 09/01/2003

Published:09/01/2003

Pages:39

File Size:1 file

Language:German

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