CH438947A
(en )
1967-12-15
Method of recording information
BE584340A
(en )
1960-03-01
Professional development relating to the mining of mineral deposits
PT37922A
(en )
1961-06-22
INSTALLATION OF CHOICE
FR1280376A
(en )
1961-12-29
Method of forming a p-nu junction
CH384021A
(en )
1964-11-15
Construction process of a concrete bridge
BE603509A
(en )
1961-09-01
Operating method of a floating installation
BE604269A
(en )
1961-09-18
Method of etching homocrystals.
FR1289902A
(en )
1962-04-06
Operating method of a floating installation
BE608955A
(en )
1962-04-09
Advanced concrete plant
CH366499A
(en )
1962-12-31
Method of construction of a mole and mole constructed according to this method
BE576610A
(en )
1959-09-12
Method of regulating a general installation.
BE605794A
(en )
1961-11-03
Method of attacking semiconductor elements
FR1262439A
(en )
1961-05-26
Waterproofing process
FR1265946A
(en )
1961-07-07
Installation of elevators
FR1272052A
(en )
1961-09-22
Operating process for steam generator installations
FR1254942A
(en )
1961-03-03
Method of setting up an underwater pipe
FR1268588A
(en )
1961-08-04
New process for exploiting oil fields
FR1276194A
(en )
1961-11-17
Blast furnace operating process
FR1254840A
(en )
1961-02-24
Corrosion inhibition process
FR1270649A
(en )
1961-09-01
Method of locating a density
FR1268506A
(en )
1961-08-04
Method of laying an underwater pipe
FR1339769A
(en )
1963-10-11
Method and installation for operating a pumping installation
BE598168A
(en )
1961-03-31
Blast furnace operating process
FR1269206A
(en )
1961-08-11
Mining machine
FR1283295A
(en )
1962-02-02
Method and installation for clipping artichoke bottoms