-
公开(公告)号：US2970762A
公开(公告)日：1961-02-07
申请号：US33469053
申请日：1953-02-02
Applicant: STANDARD COIL PROD CO INC
Inventor： FEIGL ERICH F
IPC: G01W1/08
CPC classification number: G01W1/08
Search Results
1
records
(took 0.013 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
