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Patents
一种铝、镁合金石膏型精密铸造的真空浇注方法,ZL201110354527.0
Release time:2021-12-18 Hits:
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一种金属热模锻用非石墨型润滑剂及其制备方法,ZL201110396576.0
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轻合金半固态流变精密铸锻成形的方法和装置,ZL201010280377.9