-
公开(公告)号:US2243658A
公开(公告)日:1941-05-27
申请号:US16702437
申请日:1937-10-02
Applicant: STANDARD OIL DEV CO
Inventor: THOMAS ROBERT M , SLOTTERBECK OBERT C
公开(公告)号:US2243658A
公开(公告)日:1941-05-27
申请号:US16702437
申请日:1937-10-02
Applicant: STANDARD OIL DEV CO
Inventor: THOMAS ROBERT M , SLOTTERBECK OBERT C