-
公开(公告)号：US2489451A
公开(公告)日：1949-11-29
申请号：US67816846
申请日：1946-06-20
Applicant: STANDARD OIL DEV CO
Inventor： CALHOUN DART JACK , SMITH LLOYD B
IPC: C07C1/04
CPC classification number: C07C1/046 , C07C2523/745
Search Results
1
records
(took 0.02 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
