-
公开(公告)号：US2513287A
公开(公告)日：1950-07-04
申请号：US4963848
申请日：1948-09-16
Applicant: SHARPLES CORP
Inventor： WALTER COLLIER DONALD
IPC: C07C51/487
CPC classification number: C07C51/487 , C07C57/02
Search Results
1
records
(took 0.011 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
