-
公开(公告)号：US2830705A
公开(公告)日：1958-04-15
申请号：US44849554
申请日：1954-08-09
Applicant: ERIEZ MFG CO
Inventor： JOHANNESEN CONRAD A
CPC classification number: F16L55/24 , B03C1/0332 , B03C1/288 , B03C2201/18 , B03C2201/28
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
