-
公开(公告)号：US2493398A
公开(公告)日：1950-01-03
申请号：US576948
申请日：1948-02-02
Applicant: FRICKE EDWIN R
Inventor： FRICKE EDWIN R
CPC classification number: B25B23/065 , B60B29/003
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
