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发明名称
PROCESS FOR THE HEAT TREATMENT OF STEEL AND IRON
摘要
申请公布号
CA304889(A)
申请公布日期
1930.10.21
申请号
CAD304889
申请日期
申请人
CHRISTIAN WILHELM PAUL HEYLANDT
发明人
CHRISTIAN WILHELM PAUL HEYLANDT
分类号
主分类号
代理机构
代理人
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