Directory of Commercial Testing and College Research Laboratories (Classic Reprint) - Hardcover

Inhaltsangabe

Excerpt from Directory of Commercial Testing and College Research Laboratories

Cept wool and hair). 540=abrasive materials, asbestos, and chalk. 000==animals. 550= Mica and rare minerals. 010= Meats 560=precious stones and imitations. 020= Dairy products. 570=sulphur, magnesia, salt, aha graphite. 030=fish. 590=other nonmetallic minerals.

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