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发明名称
Gas filter
摘要
申请公布号
US1836131(A)
申请公布日期
1931.12.15
申请号
US19290406907
申请日期
1929.11.13
申请人
BERNHARD RICHTER
发明人
RICHTER BERNHARD
分类号
B01D46/18
主分类号
B01D46/18
代理机构
代理人
主权项
地址
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