-
公开(公告)号：US2818766A
公开(公告)日：1958-01-07
申请号：US52125255
申请日：1955-07-11
Applicant: BAIRD ASSOCIATES INC
Inventor： HUTCHINSON PAUL C
CPC classification number: G01N33/2858 , G01N21/67
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
