| 1. | Hardmetals - metallographic determination of porosity and uncombined carbon
孔隙度和非化合碳的金相测定
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| 2. | Hardmetals . metallographic determination of porosity and uncombined carbon
硬质合金.孔隙率和游离碳的金相测定
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| 3. | Specification for hardmetals - metallographic determination of porosity and uncombined carbon
硬质合金规范.空隙度和游离碳的金相测定
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| 4. | Hardmetals ; metallographic determination of porosity and uncombined carbon ; identical with iso 4505 : 1978
硬质合金.孔隙率和游离碳的金相测定
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