-
公开(公告)号：US2766457A
公开(公告)日：1956-10-16
申请号：US43372354
申请日：1954-06-01
Applicant: FRIEDRICH WIELANDT
Inventor： FRIEDRICH WIELANDT
CPC classification number: A42B1/201 , A45B11/04 , A45B2019/007
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
