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Commercial standard classifications are adopted by feldspar producers
At general conference of producers, distributors, and users of feldspar, held Jan. 14, 1930, in Bureau of Standards, Washington, D. C., some differences of opinion were indicated regarding commercial standard as presented, but those present reiterated their desire for standard classification for benefit of all concerned.
Commercial standard classifications are adopted by feldspar producers
At general conference of producers, distributors, and users of feldspar, held Jan. 14, 1930, in Bureau of Standards, Washington, D. C., some differences of opinion were indicated regarding commercial standard as presented, but those present reiterated their desire for standard classification for benefit of all concerned.
Commercial standard classifications are adopted by feldspar producers
Pit Quarry
Pit and Quarry ; 20
1930
2 pages
Article (Journal)
English
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Proposed commercial standards for feldspar
Engineering Index Backfile | 1929
Engineering Index Backfile | 1932
| Elsevier | 1975
| Engineering Index Backfile | 1932