-
公开(公告)号：US1556204A
公开(公告)日：1925-10-06
申请号：US1957225
申请日：1925-03-31
Applicant: COHEN ABRAHAM M
Inventor： COHEN ABRAHAM M
CPC classification number: E05F1/1223 , E05F1/061 , E05Y2201/638 , Y10T16/304
Search Results
1
records
(took 0.023 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
