Finn Johnsen

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Details Finn Johnsen Finn Johnsen

: Hydraulic and earth engineering
: Drainage or irrigation
: Porous waterway, e.g., sand drain, etc.

: Inventor
: active

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Improvement in a system for protecting foundation walls and the

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

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Profile ID: LFUS-PAI-P-1166147

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