-
公开(公告)号:US3487261A
公开(公告)日:1969-12-30
申请号:US69513367
申请日:1968-01-02
Applicant: ASEA AB
Inventor: BOKSJO INGVAR , OLSSON KARL-ERIK , SVEDBERG PER
公开(公告)号:US3487261A
公开(公告)日:1969-12-30
申请号:US69513367
申请日:1968-01-02
Applicant: ASEA AB
Inventor: BOKSJO INGVAR , OLSSON KARL-ERIK , SVEDBERG PER