Patent search ap:("ASEA AB") AND inv:"BIRGIT DAHLE" Page 1

1.

发明授权
Means for measuring mechanical forces and their time derivatives 失效
Title translation: 用于测量机械力及其时间导数的方法

公开(公告)号：US2895332A

公开(公告)日：1959-07-21

申请号：US47514254

申请日：1954-12-14

Applicant: ASEA AB

Inventor： ORVAR DAHLE , BIRGIT DAHLE

IPC: G01L1/12

CPC classification number: G01L1/127 , G01L1/125

Patent Agency Ranking