Aimo Seppanen

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Valkeakoski, FI

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for forming frogs in the sides of a concrete element
- Patent number 4,778,371
- Issue date Oct 18, 1988
- KT-Suunnittelu Oy
- Aimo Seppanen
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Slipforming extruder for casting concrete slabs
- Patent number 4,773,838
- Issue date Sep 27, 1988
- KT-Suunnittelu Oy
- Aimo Seppanen
- B28 - WORKING CEMENT, CLAY, OR STONE