-
公开(公告)号：US2628856A
公开(公告)日：1953-02-17
申请号：US28223952
申请日：1952-04-14
Applicant: ENGLAND JOHN W
Inventor： ENGLAND JOHN W
IPC: A01D59/00
CPC classification number: A01D59/00
-
公开(公告)号：US2594140A
公开(公告)日：1952-04-22
申请号：US25140751
申请日：1951-10-15
Applicant: ENGLAND JOHN W
Inventor： ENGLAND JOHN W
CPC classification number: A01D59/04 , A01F15/145
-
Search Results
2
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
