About Klaus Mauelshagen
					Author and editor for trade journals for 30 years on the topics of
Building, materials, tools, hardware, trade, industry, including 20 years as author and editor of the trade magazine Baumarktmanager and, since the beginning of 2020, editor-in-chief of EZ Eisenwaren-Zeitung.
			Building, materials, tools, hardware, trade, industry, including 20 years as author and editor of the trade magazine Baumarktmanager and, since the beginning of 2020, editor-in-chief of EZ Eisenwaren-Zeitung.