Paavo M/a/ kel/a/

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Helsinki, FI

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Patents Grantslast 30 patents

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Floor drain or some other cupped water seal
- Patent number 4,487,219
- Issue date Dec 11, 1984
- Oy All-Plast Ab
- Paavo M/a/ kel/a/
- E03 - WATER SUPPLY SEWERAGE