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发明名称
Method of carburizing
摘要
申请公布号
US1974541(A)
申请公布日期
1934.09.25
申请号
US19300473179
申请日期
1930.08.05
申请人
OSTERMAN PHILIP C
发明人
OSTERMAN PHILIP C.
分类号
C23C8/22
主分类号
C23C8/22
代理机构
代理人
主权项
地址
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