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发明名称
ADJUSTMENT OF PH IN THE FILTRATION OF TAR SAND SOLVENT-WATER SYSTEMS
摘要
申请公布号
US3542666(A)
申请公布日期
1970.11.24
申请号
USD3542666
申请日期
1968.03.20
申请人
SHELL OIL CO.
发明人
WARREN C. SIMPSON
分类号
C10C3/00;C10G1/04;(IPC1-7):C10G1/00
主分类号
C10C3/00
代理机构
代理人
主权项
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