-
公开(公告)号：US1802376A
公开(公告)日：1931-04-28
申请号：US39343129
申请日：1929-09-18
Applicant: DIRKES VINCENT M , DIRKES CARL E
Inventor： DIRKES VINCENT M , DIRKES CARL E
IPC: F16N27/00
CPC classification number: F16N27/00
Search Results
1
records
(took 0.015 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
