SE70195C1
(en:Method )
1930-01-01
US1542721A
(en )
1925-06-16
System of grain ventilation
US1403990A
(en )
1922-01-17
George turner and emile atjgtjste fotjrneatjx
SE70963C1
(en:Method )
1930-01-01
GB645733A
(en )
1950-11-08
Improvements in or relating to bungs or plugs for test tubes or other containers
GB283870A
(en )
1928-06-14
Improvements in or relating to glass blowing machines
US1932721A
(en )
1933-10-31
Case for eggs
GB391478A
(en )
1933-04-19
Improvements in or relating to drying and airing racks
AU1239523A
(en )
1923-06-08
Improvements in apparatus for separating liquids from gases, or for the drying of air and gases, particularly applicable as a steam dryer
SU21747A1
(ru )
1931-07-31
Приспособление дл окраски м чей погружением
GB332283A
(en )
1930-07-18
Improvements in, or relating to, gas washing apparatus
GB211696A
(en )
1924-02-28
Improvements in grain drying apparatus
GB266115A
(en )
1927-02-24
Improvement in sack, bag or pan filling machine or apparatus
SE69965C1
(en:Method )
1930-01-01
DE534619C
(de )
1931-09-30
Trockenanlage fuer Tonwaren
GB212676A
(en )
1924-03-20
Improvements in and relating to dipping apparatus for the production of seamless goods
ES120414A1
(es )
1930-12-01
Paso hermético al aceite y al agua de las escuadras de refuerzo de cámaras, escuadras remachadas en la pared del buque, gracias a tanques interiores mantenidos bajo presión y colocados en las paredes de tales cámaras.
GB313137A
(en )
1929-10-24
Fluid meters
GB273298A
(en )
1927-11-03
Improvements relating to liquid heaters and evaporators
GB238233A
(en )
1926-04-01
Improvements in or relating to preserving food
GB300135A
(en )
1930-02-05
Improvements in or relating to hot-air driers for coffee berries
GB305739A
(en )
1929-02-14
Improvements in methods of packing eggs
SE70822C1
(en:Method )
1930-01-01
GB333435A
(en )
1930-08-14
Improvements relating to ventilating ports for ships
GB377982A
(en )
1932-08-02
Improvements in and relating to centrifugal hydro extractors