-
公开(公告)号：US3498316A
公开(公告)日：1970-03-03
申请号：US3498316D
申请日：1968-04-08
Applicant: HOOVER CO
Inventor： PINDER JAMES M , HUMPHREY WARREN A
CPC classification number: F16K7/06 , Y10T137/87161
Search Results
1
records
(took 0.032 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
