DE 42n.9
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| Enclosing categories | DE 42n |
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This wiki has 2 patents in category "DE 42n.9".
Other techtypes related to DE 42n.9: Map
Patents in category DE 42n.9
- Patent DE-1908-222386 (English title: Procedure for producing accurate layer-maps from photographs, Inventors: Theodor Scheimpflug, Supplementary to patent: Patent AT-1903-31973, Filing date: 1908-01-30)
- Patent DE-1911-248102 (English title: Apparatus for marking a particular location on a movable map attached to rollers, Inventors: Paul Fugairon, Supplementary to patent: Patent FR-1911-432971, Filing date: 1911-08-09)
