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发明名称
Bubble cap
摘要
申请公布号
US2084726(A)
申请公布日期
1937.06.22
申请号
US19360070268
申请日期
1936.03.23
申请人
STANDARD OIL COMPANY OF CALIFORNIA
发明人
DUEY HAROLD STEWART
分类号
B01D3/20
主分类号
B01D3/20
代理机构
代理人
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地址
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