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珠宝玉石 名称
Gems—Nomenclature
价格:¥0.00
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翡翠分级
Jadeite grading
价格:¥0.00
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珍珠珠层厚度测定方法.光学相干层析法
Determination of nacre thickness.Optical coherence tomography
价格:¥0.00
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电感耦合等离子体质谱法测定砚石中的稀土元素
Determination of rare earth in ink-stone by inductively coupled plasma mass spectrometry
价格:¥0.00
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砚石 显微鉴定方法
Microscopic method of inkstone identification
价格:¥0.00
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抛光钻石质量测量允差的规定
Provision of permissible errors for measurement of polished diamond mass
价格:¥0.00
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冰晶石
Synthetic cryolite
价格:¥0.00
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冰晶石
Synthetic cryolite
价格:¥0.00
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