-
公开(公告)号：US3168467A
公开(公告)日：1965-02-02
申请号：US21133162
申请日：1962-07-20
Applicant: DREYER GEORGE W
Inventor： DREYER GEORGE W
IPC: B01D29/23 , B01D35/147 , F16L55/24
CPC classification number: F16L55/24 , B01D29/23 , B01D29/60 , B01D29/603 , B01D29/606 , B01D29/682 , B01D35/147 , B01D2201/082
Search Results
1
records
(took 0.011 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
