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经营范围
发明名称
Improvements in alloy steels
摘要
申请公布号
GB340382(A)
申请公布日期
1931.01.01
申请号
GB19290035450
申请日期
1929.11.20
申请人
EDGAR ALLEN & COMPANY LIMITED;THE CHATWOOD SAFE COMPANY LIMITED;LEONARD KINGSTON EVERITT
发明人
分类号
C22C37/06
主分类号
C22C37/06
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代理人
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