Manual Camera Focusing (354/195.1) Patents (Class 396/FOR835)

Foreign Patent Art Collections

Diaphragm controlled by focusing (354/195.11) (Class 396/FOR836)
Plural lenses (354/195.12) (Class 396/FOR837)
Having distance indicator (354/195.13) (Class 396/FOR838)
Having view finder (354/199) (Class 396/FOR839)

There are no patents to show for this class.