Westgaard et al.
1984
Postural muscle strain as a causal factor in the development of musculo-skeletal illnesses
DE1467027U
(enrdf_load_stackoverflow )
DE1502262U
(enrdf_load_stackoverflow )
DE141606C
(enrdf_load_stackoverflow )
DE1763727U
(de )
1958-03-20
Rueckenstuetz-vorrichtung, insbesondere fuer pkw-fahrer.
DE1435798U
(enrdf_load_stackoverflow )
DE1632041U
(de )
1951-12-13
Einbeiniger melkschemel.
DE1493548U
(enrdf_load_stackoverflow )
DE1376177U
(enrdf_load_stackoverflow )
DE1391654U
(enrdf_load_stackoverflow )
DE1780288U
(de )
1958-12-31
Vorrichtung zur hoehenverstellung von bettmatratzen am fussende.
DE1471459U
(enrdf_load_stackoverflow )
DE1374900U
(enrdf_load_stackoverflow )
DE1782568U
(de )
1959-02-05
Kopf- und nackenstuetze, besonders in kraftfahrzeugen.
DE1354843U
(enrdf_load_stackoverflow )
DE1754571U
(de )
1957-10-24
Zerlegbarer stuhl aus metall.
DE1869266U
(de )
1963-03-21
Rueckenstuetze.
DE1408783U
(enrdf_load_stackoverflow )
DE1366663U
(enrdf_load_stackoverflow )
DE1456238U
(enrdf_load_stackoverflow )
DE1458848U
(enrdf_load_stackoverflow )
DE1371838U
(enrdf_load_stackoverflow )
DE1421214U
(enrdf_load_stackoverflow )
DE1436078U
(enrdf_load_stackoverflow )
DE1363344U
(enrdf_load_stackoverflow )