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Inventor
SCHULDINK GERRIT
2 patents
Patents
2 patents
US4452303A
Jun 5, 1984
Device and a method for recovering heat from the soil
WAVIN BV
40 citations
83
US4003591A
Jan 18, 1977
Plastic socket made of fibre reinforced thermosetting resin material
WAVIN BV
10 citations
66