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发明名称
Filter cartridge
摘要
申请公布号
US2093877(A)
申请公布日期
1937.09.21
申请号
US19370122696
申请日期
1937.01.28
申请人
VON PENTZ BENJAMIN
发明人
PENTZ BENJAMIN VON
分类号
B01D27/00
主分类号
B01D27/00
代理机构
代理人
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地址
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