-
公开(公告)号：US2405050A
公开(公告)日：1946-07-30
申请号：US58050445
申请日：1945-03-02
Applicant: GEN ELECTRIC
Inventor： PFUNTNER RICHARD A , WILSON ELEANOR D
IPC: G01C17/38
CPC classification number: G01C17/38
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
