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发明名称
Lubricating system
摘要
申请公布号
US1818392(A)
申请公布日期
1931.08.11
申请号
US19280313739
申请日期
1928.10.20
申请人
HANS EDMUND E
发明人
HANS EDMUND E.
分类号
B01D27/02
主分类号
B01D27/02
代理机构
代理人
主权项
地址
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