-
公开(公告)号：US2139287A
公开(公告)日：1938-12-06
申请号：US9784236
申请日：1936-08-25
Applicant: ALUMINUM IND INC
Inventor： SCHNELL ARTHUR E , BECKMANN MELBOURNE A
CPC classification number: B23C3/00 , Y10T82/2527 , Y10T82/30 , Y10T407/1908 , Y10T407/1912 , Y10T407/1928 , Y10T407/1962
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
