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发明名称
Particle contacting apparatus
摘要
申请公布号
US2608473(A)
申请公布日期
1952.08.26
申请号
US19480046651
申请日期
1948.08.28
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
STEPHENS JOHN H.
分类号
B01J8/26
主分类号
B01J8/26
代理机构
代理人
主权项
地址
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