-
公开(公告)号：US2409430A
公开(公告)日：1946-10-15
申请号：US53362844
申请日：1944-05-01
Applicant: GREENLEAF CARROLL V
Inventor： GREENLEAF CARROLL V
IPC: G01P13/00
CPC classification number: G01P13/0026 , Y10S193/02 , Y10T403/645
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
