配方

配方类型

配方说明

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METALS

Investment-Molding Pattern (U.S. Patent 2,525,984)

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METALS

Foundry Sand Core (U.S. Patent 2,930,709)

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METALS

Molding Sand (Swiss Patent 266,423)

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MISCELLANEOUS

Improved Mounting Medium for Microscope Slides

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TEXTILES

Sizing for Backs of Axminster Rugs (U.S. Patent 2,542,344)

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LUBRICANTS AND OILS

Transparent Water-Soluble Cutting Oil (U.S. Patent 2,553,601)

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METALS

Wash for Molds

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METALS

Foundry Mold

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METALS

Foundry Mold

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METALS

Foundry Mold or Core