NL170973B
(en )
TERRACE AND METHOD FOR THE MANUFACTURE OF SUCH A TERRACE.
NL187586B
(en )
METHOD OF TREATING CRUDE OIL.
CH312340A
(en )
1955-12-31
Process for the electrostatic application of liquids.
AT181829B
(en )
1955-04-25
Process and device for the creation of new wells and the regeneration of existing wells
CH307619A
(en )
1955-06-15
Method and device for filtering liquids.
CH317452A
(en )
1956-11-30
Process for the production of technically pure anthracene and carbazole from crude anthracene
CH225780A
(en )
1943-02-28
Process and device for the production of chlorinated olefins from saturated chlorinated hydrocarbons.
AT168671B
(en )
1951-07-10
Method and device for corrugating plates made of asbestos cement or the like.
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
AT187610B
(en )
1956-11-10
Process for the production of synthesis gas from liquid fuels containing hydrocarbons
AT182217B
(en )
1955-06-10
Method for the rapid assembly of structures from prefabricated, articulated parts
AT193829B
(en )
1957-12-10
Process for the extraction of crude oil from oil-bearing rock formations
AT183850B
(en )
1955-11-25
Process for processing crude oil and natural gas
AT177494B
(en )
1954-02-10
Process for obtaining oil-free paraffins from residues from mineral oil and tar processing
AT198400B
(en )
1958-06-25
Process for the processing of hard asphalt-rich crude oils
AT197515B
(en )
1958-05-10
Process for increasing the octane number of naphtha petroleum fractions
AT212791B
(en )
1961-01-10
Process for the extraction of petroleum from underground fields
AT191910B
(en )
1957-09-25
Process for the adsorption of glycols from liquid hydrocarbons
AT180149B
(en )
1954-11-10
Process for improving the running properties of bearing materials, consisting of zinc-aluminum-copper alloys
AT171261B
(en )
1952-05-10
Method for building roads or the like.
AT179615B
(en )
1954-09-25
Method for the continuous casting of socket pipes or the like.
AT167455B
(en )
1951-01-10
Method and device for the production of socket pipes from fibrous materials and hydraulic binders
AT199638B
(en )
1958-09-25
Process for the production of naphthalene from naphthalene-containing tar oil fractions
AT195548B
(en )
1958-02-10
Process for the desulphurization of petroleum hydrocarbons
AT239115B
(en )
1965-03-25
Process for the production of railway sleepers from overlapped layers of asbestos cement