AT131134B
(en )
1933-01-10
Process for making processed cheese.
CH160177A
(en )
1933-02-28
Process for making shaped articles.
AT132025B
(en )
1933-02-25
Process and apparatus for tanning.
CH160118A
(en )
1933-02-28
Method and device for ventilation of rooms.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
FR707358A
(en )
1931-07-07
Method and apparatus for testing flours
CA305310A
(en )
1930-11-04
Method and apparatus for tanning
DK45296C
(en )
1932-02-22
Method and Apparatus for the Production of Clichés.
CA298527A
(en )
1930-03-18
Process and apparatus for making artificial leather
FR725633A
(en )
1932-05-14
Tanning process and apparatus
IE11408L
(en )
1930-11-28
Tanning process and apparatus
CA308604A
(en )
1931-02-10
Process and apparatus for treating fabrics
AT132079B
(en )
1933-02-25
Method and device for the production of transfer printing templates.
FR709264A
(en )
1931-08-05
Sulfi-hydrosulfitation and sulfi-sulfoxylation process
AT132083B
(en )
1933-02-25
Method and device for casting blank material.
AT134381B
(en )
1933-07-25
Method and device for creating moving luminous images.
AU2731230B
(en )
1930-11-18
Process of and apparatus for tanning hides andthe like
AT131998B
(en )
1933-02-25
Method and apparatus for drawing wire.
CA294814A
(en )
1929-11-12
Apparatus for treating hides and skins
FR735650A
(en )
1932-11-12
Grinding method and apparatus
CA298871A
(en )
1930-04-01
Method and apparatus for treating refractory materials
CA285816A
(en )
1928-12-25
Hide fleshing apparatus
DK33053C
(en )
1924-04-07
Apparatus for the preparation and distribution of pig feed or the like.
CA315722A
(en )
1931-09-29
Method and apparatus for treating sludge acids
DK50353C
(en )
1935-06-24
Method and Apparatus for Continuous Deodorization of Liquids.