AT132013B
(en )
1933-02-25
Process for annealing and compacting zinc oxide or zinc white.
NL29569C
(en )
1931-04-15
METHOD FOR TANNING
AT132083B
(en )
1933-02-25
Method and device for casting blank material.
AU2908430B
(en )
1931-09-25
Improved process for-curing concrete
AT108256B
(en )
1927-12-10
Process for pickling iron and steel materials.
AT127083B
(en )
1932-02-25
Method and device for reinforcing insoles.
AT126965B
(en )
1932-02-25
Process for rolling out zinc plates or sheets.
AT126928B
(en )
1932-02-25
Process for rolling out zinc plates or sheets.
CA307194A
(en )
1930-12-30
Method of treating zinc-bearing materials
GR2931B
(en )
1930-10-01
METHOD OF SPILLING ORE.
CA301011A
(en )
1930-06-10
Method and apparatus for treating wire fabrics
CA299639A
(en )
1930-04-29
Method and machine for depilating pelts
AU2720530B
(en )
1931-06-18
Improved pulley block
CH147360A
(en )
1931-06-15
Method and device for controlling animal pests.
CH148070A
(en )
1931-07-15
Method and device for spinning steel chips or steel wool.
AT127012B
(en )
1932-02-25
Method and device for leaching clippings and. like
CH160260A
(en )
1933-02-28
Process for controlling refrigeration machines.
AT131998B
(en )
1933-02-25
Method and apparatus for drawing wire.
IE11408L
(en )
1930-11-28
Tanning process and apparatus
FR704275A
(en )
1931-05-16
Grapin for grapeshot and ores
AU2583930B
(en )
1931-03-19
Improvement in method of treating materials containing lead
AT132001B
(en )
1933-02-25
Method and device for sterilizing beer.
CH145413A
(en )
1931-02-28
Method of winding yarn.
AT132025B
(en )
1933-02-25
Process and apparatus for tanning.
GR2671B
(en )
1930-03-11
MASSAGE TREATMENT METHOD.