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发明名称
Clay activation
摘要
申请公布号
US2319185(A)
申请公布日期
1943.05.11
申请号
US19390299796
申请日期
1939.10.17
申请人
SOCONY-VACUUM OIL COMPANY, INCORPORATED
发明人
JR. JOHN A. CROWLEY,
分类号
B01J20/12
主分类号
B01J20/12
代理机构
代理人
主权项
地址
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