-
公开(公告)号：US2102574A
公开(公告)日：1937-12-14
申请号：US1814835
申请日：1935-04-25
Applicant: KAPELLA LTD
Inventor： EDMUND REASON RICHARD , WILLIAM CLIFFORD THOMAS
IPC: G03B17/42
CPC classification number: G03B17/42
-
公开(公告)号：US2278945A
公开(公告)日：1942-04-07
申请号：US35994440
申请日：1940-10-05
Applicant: KAPELLA LTD
Inventor： EDMUND REASON RICHARD , WILLIAM CLIFFORD THOMAS
IPC: G01B3/18
CPC classification number: G01B3/18
-
Search Results
2
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
