A - Human Necessities – 63 – C
Patent
A - Human Necessities
63
C
273/3
A63C 19/10 (2006.01) E01C 13/10 (2006.01)
Patent
CA 1238063
ABSTRACT OF THE DISCLOSURE An ice skating rink, comprising a freezing slab and a coating of ice which is created thereon and has patterns embedded in it, in which the patterns comprise a body of mineral and/or polymeric material which is entirely penetrated by open pores and has a porosity of 90 to 99.5%.
463689
Antonoff Roman
Reinhardt Heinz
Weghmann Arnold
Weigang Bernd
Borden Ladner Gervais Llp
Carl Freudenberg Kg
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