-
公开(公告)号：US1375506A
公开(公告)日：1921-04-19
申请号：US40779220
申请日：1920-09-02
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： GRAY EDWIN D
IPC: B04B1/00
CPC classification number: B04B1/00 , Y10S494/901
-
公开(公告)号：US1716632A
公开(公告)日：1929-06-11
申请号：US6803025
申请日：1925-11-09
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： GRAY EDWIN D , SCOFIELD EARLE L , DEFOE EDWARD C
IPC: C10G17/06
CPC classification number: C10G17/06
-
Search Results
2
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
