-
公开(公告)号：US1394221A
公开(公告)日：1921-10-18
申请号：US44567621
申请日：1921-02-17
Applicant: WILSON & COMPANY
Inventor： SAPPER RALPH J
IPC: A01J15/00
CPC classification number: A01J15/00
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
