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The utilization of waste slate as a filler

Recent progress in slate technology

Published Year

• 1920-1929 (2) *

Subject

• Slate (2)
• Slate industry (2) *
• Slate industry--New York (State) (1)
• Slate industry--Vermont (1)
• Slate roofing (1)

Author

• Bowles, Oliver, (2)

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