Category:E.A. Pälikkö
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Media in category "E.A. Pälikkö"
The following 2 files are in this category, out of 2 total.
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Ground frost research 1957 (JOKAMT2Kou23-4).tif 3,456 × 3,540; 11.69 MB
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Underground drainage piping (JOKAMT2Oj16-2).tif 5,236 × 3,743; 56.1 MB