GB469756A
(en:Method )
GB470909A
(en )
1937-08-24
Improvements in processes for reproduction of designs
GB356365A
(en )
1931-09-10
Improvements in and relating to an easily detachable connection of writing sheets with carbon sheets or with each other
CH196473A
(de )
1938-03-15
Verfahren zur Herstellung von Damenbinden und darnach hergestellte Binde.
GB522828A
(en )
1940-06-27
Improvements in coated paper and method of making the same
GB396714A
(en )
1933-08-08
Improvements in or relating to projection screens
GB416295A
(en )
1934-09-13
Improved writing implement
GB347149A
(en )
1931-04-17
Method of printing designs on paper, coloured paper, wallpaper and the like
CH319264A
(de )
1957-02-15
Transparentes Material zur Aufnahme der Abdrücke von Druckformen zwecks Herstellung von Kopiervorlagen
GB285104A
(en )
1928-02-08
Improvements in or relating to the dyeing, printing or stencilling of materials composed of or containing cellulose ethers
AU100914B2
(en )
1937-05-13
Improvements in pantographic copying and engraving apparatus
GB491634A
(en )
1938-09-06
Improvements in or relating to stencil sheets
AU117036A
(en )
1937-01-14
Improvements in pantographic copying and engraving apparatus
AU219636A
(en )
1937-05-13
Improvements in pantographic copying and engraving apparatus
DK58598C
(da )
1941-04-15
Karbonpapir med voksbelagt Bagside.
AU107954B2
(en )
1939-07-27
Improvements in or relating to copying and engraving machines
CA359966A
(en )
1936-08-18
Lettering template
CA354221A
(en )
1935-11-19
Printing plate and holder
GB317091A
(en )
1930-09-11
Daylight advertisement apparatus having a phosphorescing layer
CA349677A
(en )
1935-04-23
Stencil moistening machine
CA323704A
(en )
1932-06-28
Stencil paper
CA358719A
(en )
1936-06-23
Inking pad
CA352880A
(en )
1935-09-10
Wax carbon spot printing press
AU310138A
(en )
1939-07-27
Improvements in or relating to copying and engraving machines
CA355141A
(en )
1936-01-07
Printing and writing paper