-
1.
公开(公告)号:US2740042A
公开(公告)日:1956-03-27
申请号:US33398453
申请日:1953-01-29
Applicant: STANDARD COIL PROD CO INC
Inventor: CARLTON WASMANSDORFF
-
2.
公开(公告)号:US2627579A
公开(公告)日:1953-02-03
申请号:US8031049
申请日:1949-03-08
Applicant: STANDARD COIL PROD CO INC
Inventor: CARLTON WASMANSDORFF
-