![](https://assets13.geni.com/images/external/twitter_bird_small.gif?1706212903)
![](https://assets12.geni.com/images/facebook_white_small_short.gif?1706212903)
AB Betong Kompaniet -OY Betoni Komppania was founded by Wilhelm Hedensjö and Ragnar A. Malmcrona 1919.the Company built for example Porkkala/ Kallbådan lighthouse/fyr. In 1925 W. Hedensjö started a Company called betong- och Träbyggnads AB, Betoni-ja Puurakennus O.Y.
1894 |
February 4, 1894
|
Skellefteå, Skellefteå, Västerbotten County, Sweden
|
|
1922 |
April 29, 1922
|
Helsinki, Finland
|
|
1930 |
April 28, 1930
|
Helsinki, Finland
|
|
1932 |
May 7, 1932
|
Helsinki, Helsinki, Uusimaa, Finland
|
|
1976 |
March 24, 1976
Age 82
|
Stockholm, Sweden
|