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经营范围
发明名称
CIAGLY SPOSOB UWODORNIANIA WEGLA
摘要
申请公布号
PL197823(A1)
申请公布日期
1978.03.28
申请号
PL19770197823
申请日期
1977.05.02
申请人
HYDROCARBON RESEARCH INC
发明人
LEHMAN LEON M
分类号
C01B17/05;C10G1/00;C10G1/06;C10G1/08;(IPC1-7):C07C/
主分类号
C01B17/05
代理机构
代理人
主权项
地址
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