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经营范围
发明名称
TREATMENT OF CAST IRON
摘要
申请公布号
CA509907(A)
申请公布日期
1955.02.08
申请号
CAD509907
申请日期
申请人
CHROMIUM MINING AND SMELTING CORPORATION
发明人
HARRY B. KINNEAR
分类号
主分类号
代理机构
代理人
主权项
地址
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Transportør
Beenbeugel.
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