-
公开(公告)号：US2300360A
公开(公告)日：1942-10-27
申请号：US35568640
申请日：1940-09-06
Applicant: REMMERS AUGUST R
Inventor： REMMERS AUGUST R
IPC: G01J3/52
CPC classification number: G01J3/526
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
