-
公开(公告)号：US2671340A
公开(公告)日：1954-03-09
申请号：US14110150
申请日：1950-01-28
Applicant: STANDARD OIL CO
Inventor： JACOBS ROBERT B , FREDERICK KAPFF SIXT
IPC: G01N7/14
CPC classification number: G01N7/14
Search Results
31
records
(took 0.018 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
