-
公开(公告)号：CA579220A
公开(公告)日：1959-07-07
申请号：CA579220D
Applicant: SHELL DEV
Inventor： ZACHAR JOHN , BARNUM EMMETT R , LORENSEN LYMAN E
-
公开(公告)号：CA578835A
公开(公告)日：1959-06-30
申请号：CA578835D
Applicant: SHELL DEV
Inventor： BARNUM EMMETT R , ZACHAR JOHN , LORENSEN LYMAN E
-
Search Results
2
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
