-
公开(公告)号：CA499758A
公开(公告)日：1954-02-02
申请号：CA499758D
Applicant: STANDARD OIL DEV CO
Inventor： MEINERT RICHARD N , ND PHILETUS H HOLT
-
公开(公告)号：CA477711A
公开(公告)日：1951-10-09
申请号：CA477711D
Applicant: STANDARD OIL DEV CO
Inventor： ND PHILETUS H HOLT , SWEENEY WILLIAM J , REEVES EDWARD D
-
Search Results
2
records
(took 0.02 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
