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HISTORY

1954
Foundation of the sister company 1
Normbau with headquarters in Kehl
(today Renchen) by Erich Dieckmann
and his son Dieter Dieckmann. (This
enterprise was sold in 1991 by Dieter
Dieckmann to the British enterprise
(Newman-Tonks - today ALLEGION).
1870
The brothers Gustav and Albert
Kuhlmann establish an enterprise for 1962
the production of brass fttings for Change of Erich Dieckmann KG to a 1982
furniture and doors in Iserlohn. Ltd company.
Establishment of a second factory,
1936 also in Iserlohn-Grüne.
Bankruptcy of the company. The 1968 Purchase of a share in the French
Dortmund businessman Erich Dieck- Son Rudolf Dieckmann commen- company FFA Le Fer Forge d‘Alsace.
mann takes over the factory and the ces in the enterprise as an assistant (Sale of the share in 1997).
ofces with a total of 14 employees. manager.

1992
Takeover of the neighbouring com-
1938 Further expansion of the second
Registration of the trade name edi. pany Oventrop. Integration of the factory.
company site and the warehouse
into Erich Dieckmann.
1939 1996
Charge in manufacturing from brass After the retrement of Rudolf Dieck-
to aluminium alloy due to the out- 1970 mann his son Rainer Dieckmann
break of World War 2. takes over the management.
Expansion of the manufacturing
facility in Iserlohn.
1945 Erich Dieckmann resigns from the Since 1997
Resumption of manufacturing. From management of the enterprise and Exports to Western Europe and
this point only door and window Rudolf Dieckmann becomes the sole Eastern Europe, Asia and Africa
fttings as well as handles and hooks managing Director. become an evergrowing share of the
made from aluminium are produced. company's sales.

1949
The enterprise is converted into a
limited partnership.

1952
The frst expansion of the factory and
ofces.

1972 2003
Succesful introduction of a new pro- Purchase of the company MAWEX
duct range construction and DIY GmbH in Neustadt/Hessen.
markets.
2012
1977 Integration of Mawex GmbH into
Further expansion of the factory in the company site of Dieckmann
Iserlohn. GmbH in Iserlohn.

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