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发明名称
Bubble cap towers
摘要
申请公布号
US2819049(A)
申请公布日期
1958.01.07
申请号
US19530366472
申请日期
1953.07.07
申请人
SHELL DEVELOPMENT COMPANY
发明人
JR. EARL MANNING,;JR. CYRIL J. KAEMMERLEN,
分类号
B01D3/20
主分类号
B01D3/20
代理机构
代理人
主权项
地址
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