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Globular secondary particles of wollastonite group calcium silicate crystals represented by the formula...
http://www.google.com.au/patents/US4298386?utm_source=gb-gplus-share
Patent US4298386 - Calcium silicate and process for producing same
Calcium silicate and process for producing same
Kazuhiko Kubo et al
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Patent number
: 4298386
Filing date
: 17 Sep 1979
Issue date
: 3 Nov 1981
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