-
公开(公告)号：US1982348A
公开(公告)日：1934-11-27
申请号：US61137832
申请日：1932-05-14
Applicant: J A ZURN MFG COMPANY
Inventor： LUFF WILLARD J
IPC: E03F5/16
CPC classification number: E03F5/16
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
