-
公开(公告)号：US2170508A
公开(公告)日：1939-08-22
申请号：US2373635
申请日：1935-05-27
Applicant: SHELL DEV
Inventor： ALBERT SCHAAFSMA , MORITZ VERSTEEG JOHANNES
IPC: C10G73/06
CPC classification number: C10G73/06
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
