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Slate producers reduce costs as well as prices
Review of 1931 conditions; comparative statistics of sales for various uses, in 1929 and 1930, derived from U S Bureau of Mines data.
Slate producers reduce costs as well as prices
Review of 1931 conditions; comparative statistics of sales for various uses, in 1929 and 1930, derived from U S Bureau of Mines data.
Slate producers reduce costs as well as prices
Rock Products
Bowles, O. (author)
Rock Products ; 35
1932
2 pages
Article (Journal)
English
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