-
公开(公告)号：US2584732A
公开(公告)日：1952-02-05
申请号：US11982849
申请日：1949-10-06
Applicant: JOSEPH VELICK
Inventor： JACK OKUN
IPC: B60N2/75
CPC classification number: B60N2/4673
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
