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国外文献、专利题录及文搞综论部分工业矿物厂商名录【刊,英文]//英(世界陶瓷及耐火材料},1995N。11/12石棉石棉表面用着色环氧涂#[英文]//RO101006以上为刘文山译石百多孔石墨渗入磁铁矿和氟聚合物制磁性减摩材料【俄文」斤RU20265...
Foreign literature, patent bibliography and textual review of some industrial mineral manufacturers Directory [issue, English] / / British (world ceramics and refractories), 1995N.11 / 12 asbestos asbestos surface with colored epoxy coating # [English] / / RO101006 above Liu Wenshan stone hundreds of porous graphite infiltration of magnetite and fluoropolymer magnetic anti-friction material [Russian "kg RU20265 ...