-
公开(公告)号：US2871197A
公开(公告)日：1959-01-27
申请号：US46490754
申请日：1954-10-26
Applicant: SPECIALTIES DEV CORP
Inventor： RONALD MACINTYRE , LEONARD SHEAKLEY JUNIOR
IPC: G08B17/06
CPC classification number: G08B17/06
Search Results
1
records
(took 0.02 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
