IS125A7
(en )
1931-08-10
Method for preserving animal and plant substances
IS145A7
(en )
1932-10-07
Method for preserving raw materials
DK51258C
(en )
1936-02-10
Method and Apparatus for Drying Agricultural and Horticultural Products.
DK51961C
(en )
1936-08-03
Method and Plant for Drying or Storing Moist Plant Material.
DK46523C
(en )
1932-11-21
Close to Pig Stables and the like.
IS131A7
(en )
1931-10-21
Materials for preserving foodstuffs, baits and the like
DK46206C
(en )
1932-09-19
Procedure and Apparatus for Preserving Eggs and Other Foods.
DK48314C
(en )
1934-01-29
Apparatus for use in water treatment plants.
GR3800B
(en )
1932-08-29
MAINTENANCE OF ALL ANIMAL AND PLANT SUBSTANCE.
FR690886A
(en )
1930-09-26
Process for preserving animal and plant substances
FR747025A
(en )
1933-06-09
Advanced pruner
IS88B6
(en )
1936-09-15
Devices for freezing animal and vegetable products.
AT112350B
(en )
1929-02-25
Process for storing and preserving green fodder.
DK56250C
(en )
1939-06-06
Procedure for Preserving Manure and Ajle.
GR3000B
(en )
1930-11-27
METHOD OF PRESERVATION OF FRESH GRAPES.
DK46903C
(en )
1933-02-06
Procedure for Preserving Cattle Feed in Fresh Condition.
DK48221C
(en )
1934-01-02
Procedure for the Preservation of Vegetable and Animal Foods and Plants and Feedingstuffs in Their Natural Condition.
ES121725A1
(en )
1931-03-16
A procedure for the conservation of animal and vegetable substances.
CH175268A
(en )
1935-02-28
Process for preserving green fodder.
DK48812C
(en )
1934-05-28
Sewage and sewage treatment plants.
IS32B6
(en )
1930-05-31
Methods and equipment for food preservation
CA321142A
(en )
1932-04-05
Method of preserving animal and vegetable substances
DK47650C
(en )
1933-08-14
Bonemasse and Procedure for its Manufacture.
DK45516C
(en )
1932-04-11
Segloblat and Procedure for its Manufacture.
DK55278C
(en )
1938-09-26
Apparatus for Drying Agricultural and Horticultural Products.