-
公开(公告)号：US2586630A
公开(公告)日：1952-02-19
申请号：US8251249
申请日：1949-03-21
Applicant: UNITED STATES STEEL CORP
Inventor： ERLAND GUSTAVE G , PEARSON AXEL B
IPC: B65G23/42
CPC classification number: B65G23/42
Search Results
1
records
(took 0.032 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
