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  H-17270

  砂浆 & 杵(普拉特纳先生)

  For crushing small samples of ore

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  H-17280

  砂浆 & 杵、实验室

  满足你.S. 药典第十九. Hardened tool steel in accordance with Powdered Glass Test

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  H-17300

  砂浆 & 杵, Hardened Steel

  Hardened alloy tool steel. 杵 has ball-end to fit bottom of mortar cavity

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  H-1675

  砂浆 & 杵, 压实 Mold

  使用d to prepare powdered samples to test softening point of bituminous materials