-
公开(公告)号：US1428768A
公开(公告)日：1922-09-12
申请号：US29760619
申请日：1919-05-16
Applicant: WARD S IRELAND
Inventor： FAY JOHN L
IPC: H01H85/045 , H01H85/10
CPC classification number: H01H85/0456 , H01H85/10
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
