B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
57/15
B24D 3/04 (2006.01) B24D 3/34 (2006.01)
Patent
CA 1133262
Abstract of the Disclosure In grinding disks toxic lead chloride and antimony sulfide can be replaced by non-toxic alkali metal chloro- ferrates(II,III) produced by melting together alkali metal chloride, anhydrous ferric chloride and iron powder.
333665
Hirschberg Rudolf
Schonfeld Bernd
Fetherstonhaugh & Co.
Riedel-De Haen Aktiengesellschaft
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