-
公开(公告)号：US1891420A
公开(公告)日：1932-12-20
申请号：US50788831
申请日：1931-01-10
Applicant: WICKWIRE SPENCER STEEL COMPANY
Inventor： JAQUITH EUGENE H
IPC: A47B65/00
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
