-
公开(公告)号：US3533184A
公开(公告)日：1970-10-13
申请号：US3533184D
申请日：1968-06-21
Applicant: NAT RES DEV
Inventor： KERR NORMAN MITCHELL
CPC classification number: A01K91/18 , Y10S24/908 , Y10T24/38 , Y10T24/3916 , Y10T24/44274 , Y10T403/3926 , Y10T403/4327
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
