-
公开(公告)号：US2099821A
公开(公告)日：1937-11-23
申请号：US75381434
申请日：1934-11-20
Applicant: STANDARD OIL DEV CO
Inventor： MOORE THOMAS V , LANDRY WINFIELD C
IPC: G04B1/10
CPC classification number: G04B1/10
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
