-
公开(公告)号:CA505851A
公开(公告)日:1954-09-14
申请号:CA505851D
Applicant: SHELL DEV
Inventor: STROSS FRED H , ANDERSON ALVIN P
-
公开(公告)号:CA467046A
公开(公告)日:1950-08-01
申请号:CA467046D
Applicant: SHELL DEV
Inventor: SOREM STANLEY S , ANDERSON ALVIN P
-
-