|
ES115222A1
|
|
Improvements in the regulation of the reverse voltage.
|
|
GB313576A
|
|
Improvements in x-ray fracture tables
|
|
ES111963A1
|
|
Improvements in X-ray devices
|
|
ES111754A1
|
|
An X-ray table to reduce fractures.
|
|
ES111385A1
|
|
An X-ray machine submerged in oil.
|
|
ES111384A1
|
|
Improvements in X-ray devices submerged in oil.
|
|
US1877260A
|
|
X-ray apparatus
|
|
US1765641A
|
|
Circuit for X-ray multiple-tube stands
|
|
US1649879A
|
|
Stereoscope
|
|
US1654768A
|
|
Electrotherapeutic machine
|
|
US1576694A
|
|
Water-cooled ultra-violet apparatus
|
|
US1649878A
|
|
Stereoscope
|
|
US1761246A
|
|
Rectifier
|
|
US1665486A
|
|
X-ray cooling system
|
|
GB233498A
|
|
Dental x-ray film package and container therefor
|
|
DE427306C
|
|
X-ray film container
|
|
US1725030A
|
|
X-ray apparatus
|
|
US1599696A
|
|
X-ray apparatus
|
|
US1594171A
|
|
X-ray apparatus
|
|
US1603789A
|
|
High-potential electrical system
|
