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Georg Fischer AG Brugg Patents
Georg Fischer AG Brugg
Brugg, CH
No. of patents:

Patent Number Title Of Patent Date Issued
4144836 Apparatus for the vacuum impregnation of boards or panels of porous material March 20, 1979
The apparatus includes a horizontal receiving substrate having a resilient gasket extending over the top surface in a closed figure and spaced from the edge of the substrate. A movable cover member including an inverted shallow chamber is provided with a matching resilient gasket on the

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