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经营范围
发明名称
PROCESS FOR MAKING CARBON AGGLOMERATES
摘要
申请公布号
US3470275(A)
申请公布日期
1969.09.30
申请号
USD3470275
申请日期
1967.05.29
申请人
MCDOWELL WELLMAN ENG. CO.
发明人
THOMAS E. BAN
分类号
C01B31/00;C25C3/12;(IPC1-7):C01B31/00;C10B47/00
主分类号
C01B31/00
代理机构
代理人
主权项
地址
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