Saved successfully
Save failed
Saved Successfully
Save Failed
公开(公告)号:US2301669A
公开(公告)日:1942-11-10
申请号:US24818038
申请日:1938-12-29
Applicant: ADOLF RICHTER
Inventor: ADOLF RICHTER
IPC: B01D15/04 , B01J39/00 , B01J47/14 , B01J49/00
CPC classification number: B01J47/14 , B01J39/00 , B01J49/08 , B01J41/00