-
1.
公开(公告)号:US2778798A
公开(公告)日:1957-01-22
申请号:US39138253
申请日:1953-11-10
Applicant: CULLIGAN INC
Inventor: KLUMB GEORGE H , SAILSBURY MURL B , SCHULZE ROBERT E
-
公开(公告)号:US2781312A
公开(公告)日:1957-02-12
申请号:US34801453
申请日:1953-04-10
Applicant: CULLIGAN INC
Inventor: KLUMB GEORGE H , SCHULZE ROBERT E , ROACH MARSHALL L , SAILSBURY MURL B
CPC classification number: C02F1/003 , B01J47/012
-