-
1.Apparatus for measuring and recording the dynamic modulus of elasticity 失效
Title translation: 用于测量和记录动态弹性模量的装置公开(公告)号:US2948147A
公开(公告)日:1960-08-09
申请号:US53015055
申请日:1955-08-23
Applicant: BAYER AG
Inventor: HERMANN ROELIG , JOSEF SCHMAHL
IPC: G01N3/34
CPC classification number: G01N3/34 , G01N2203/0016
-
公开(公告)号:US3164013A
公开(公告)日:1965-01-05
申请号:US2899660
申请日:1960-05-13
Applicant: BAYER AG
Inventor: JOSEF SCHMAHL , HERMANN ROELIG
-