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发明名称
Improvements in the electric arc treatment of vapourised carbonaceous materials
摘要
申请公布号
GB382690(A)
申请公布日期
1932.11.03
申请号
GB19310023751
申请日期
1931.08.24
申请人
JAMES YATE JOHNSON
发明人
分类号
C01C3/02
主分类号
C01C3/02
代理机构
代理人
主权项
地址
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