-
公开(公告)号：US1478460A
公开(公告)日：1923-12-25
申请号：US54376122
申请日：1922-03-14
Applicant: STIBITZ CHARLES L , STIBITZ FRANK L
Inventor： STIBITZ CHARLES L , STIBITZ FRANK L
CPC classification number: B65G17/42 , B65G17/38 , B65G2201/06
Search Results
1
records
(took 0.019 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
