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发明名称
THERMAL SHAPING OF CORUNDUM AND SPINEL CRYSTALS
摘要
申请公布号
CA465683(A)
申请公布日期
1950.06.06
申请号
CAD465683
申请日期
申请人
DOMINION OXYGEN COMPANY LIMITED
发明人
THOMAS F. HART
分类号
主分类号
代理机构
代理人
主权项
地址
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