AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
AT112331B
(en )
1929-02-25
Process for the conversion of copper-aluminum cast alloys.
AT108109B
(en )
1927-11-25
Process for the manufacture of low-sulfur cast iron.
AT108672B
(en )
1928-01-25
Process for converting normal aluminum-silicon alloys.
FR547654A
(en )
1922-12-21
Removable berth
AT102563B
(en )
1926-02-25
Process for the manufacture of cast sulfur.
AT121518B
(en )
1931-02-25
Process for the production of aluminum-copper-nickel alloys.
AT107028B
(en )
1927-08-10
Process for the production of tubes by centrifugal casting.
FR546517A
(en )
1922-11-15
Improvements to ceiling hooks
CH131625A
(en )
1929-02-28
Process for the production of cast iron.
CH160222A
(en )
1933-02-28
Process for the production of castings from alloys.
FR583408A
(en )
1925-01-13
Improvements made to metal alloys
ES89211A1
(en )
1924-08-01
Process for the manufacture of refined cast iron.
CH114282A
(en )
1926-04-01
Process for the preparation of 4-amino-3-oxybenzene-1-arsic acid.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
CH111240A
(en )
1925-08-01
Process for the preparation of oxycodeinone.
AT105082B
(en )
1926-12-27
Process for the preparation of isopropylallylbarbituric acid.
CH114624A
(en )
1926-04-16
Process for the preparation of 6-methylbenzoxazolone-5-arsic acid.
AT109154B
(en )
1928-03-26
Process for the production of aluminum salts.
ES90610A2
(en )
1924-11-16
A perfected method of electrodeposition of metals.
GR264B
(en )
1922-04-09
METHOD OF PREPARATION OF CHROME ALUMINUM.
ES83633A1
(en )
1923-04-16
A procedure for the separation and purification of metals.
FR603090A
(en )
1926-04-08
Improvements to metal shanks for shoes
ES104774A1
(en )
1927-12-16
Purification procedure for magnesium alloys.
CH131624A
(en )
1929-02-28
Process for the production of metals and alloys.