-
公开(公告)号：US2401758A
公开(公告)日：1946-06-11
申请号：US54238844
申请日：1944-06-27
Applicant: STANDARD OIL DEV CO
Inventor： HASTINGS SAM H , TURNER BENJAMIN B
IPC: C07C7/148
Search Results
1
records
(took 0.025 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
