CH201897A
(en )
1938-12-31
Glass thread and process for its manufacture.
CH207571A
(en )
1939-11-15
Lock nut and process for its manufacture.
AT140849B
(en )
1935-02-25
Enamelled vessels and processes for their manufacture.
CH201907A
(en )
1938-12-31
Confectionery tongs and method of making them.
CH204856A
(en )
1939-05-31
Liquid glue and process for its manufacture.
CH201597A
(en )
1938-12-15
Stain removers and process for their preparation.
CH195967A
(en )
1938-02-28
Book and method of making the same.
AT148711B
(en )
1937-02-25
Soul electrodes and process for their manufacture.
CA318014A
(en )
1931-12-15
Oil cleansing method
CA376010A
(en )
1938-08-23
Chocolate treating method
CH172633A
(en )
1934-10-31
Water-soluble seed dressing and process for its manufacture.
CH203131A
(en )
1939-02-28
Process for the preparation of 3-acetoxy-bisnor-5-cholenic acid.
CH208002A
(en )
1939-12-31
Process for the preparation of 1-amino-2-chloro-4-nitrobenzene-6-sulfonic acid.
CH221832A
(en )
1942-06-15
Process for the preparation of 2-bromo-6-nitro-1-aminobenzene-4-sulfonic acid.
CA326540A
(en )
1932-10-04
Acid and derivative making method
AT144697B
(en )
1936-02-25
Squeeze tube and process for their manufacture.
CA363564A
(en )
1937-01-19
Butter making method
GR7058B
(en )
1938-01-13
METHOD OF MANUFACTURING COMPRESSED CONFECTIONERY SHRINKERS.
CA373503A
(en )
1938-05-03
Sulphuric acid manufacturing method and apparatus
CA274050A
(en )
1927-09-20
Nickle electrodepositing method
CA279167A
(en )
1928-04-03
Fatty acid extracting method
AU105851B2
(en )
1938-12-01
Files and method of making same
CA327395A
(en )
1932-11-08
Filtering method
AT169792B
(en )
1951-12-27
Process for the production of new colorants from chrysene derivatives and intermediate products thereof
CA367526A
(en )
1937-07-20
Tie making apparatus and method