DE2434857A1
1974-07-18
Xerographic apparatus for multistage copying - uses ultra violet light projected by organic glass lens and pressure contact printer
DE2423179A1
1974-05-13
Xerographic process for colour film copies - using black white three picture negative or positive
DE2419197A1
1974-04-17
Colour sepns. and reproductions from colour negatives and positives - using film of three differently sensitised strips and UV light
DE2419196A1
1974-04-17
Xerographic colour copying - by colour development of three latent charge images and superimposition of the visible images
DE2412052A1
1974-03-11
Camera taking three partial colour pictures per object - is for producing colour prints and multi-colour xerographic copies
DE2402479A1
1974-01-16
Mono- and multicolour copies - produced xerographically from transparent or opaque originals
DE2365230A1
1973-12-28
Three colour photography - with simultaneous prodn of separate colour separation exposures on same film
DE2363337A1
1973-12-17
Multicolour electrophotographic copying - involves forming colour separation and black images, then superposed copying
DE2357421A1
1973-11-14
Black and white four-image negative - for colour xerocopying and photo-graphy has added development accelerator
DE2355629A1
1973-11-05
Xerographic colour copying - using intermediate four-segment colour negative of original
DE2353155A1
1973-10-19
Four-image negative film - for multi-colour printing, contg. three colour-sensitised and one non-sensitised part
DE2348605A1
1973-09-25
Mono- and multicolour copies - produced xerographically from transparent or opaque originals
DE2165950A1
1971-12-30
Xerographic copying method - for forming latent image directly on copy sheet
DE2165949A1
1971-12-30
Multi coloured film copying - for direct electrographic reproduction on copy film
DE1949660A1
1969-09-26
Electrophotographic colour reproduction - process
