BE784293A
(en )
1972-12-01
HYDRODESULFURATION PROCESS.
BE773040A
(en )
1972-03-24
METAL DEOXIDATION PROCESS
FR1122878A
(en )
1956-09-13
Metal purification
BE554816A
(en )
1960-02-12
PROCESS FOR THE PREPARATION OF 2-HYDROXYBENZOQUINOLEIZINES.
BE758946A
(en )
1971-04-16
ORE ENRICHMENT PROCESS
CH338039A
(en )
1959-04-30
Punch card feeder
BE592785A
(en )
1960-10-31
Sampling punching machine for continuous strip processing lines.
BE567086A
(en )
1960-08-12
NON-FERROUS METAL EXTRACTION PROCESS.
BE573416A
(en )
1959-03-16
Non-ferrous metal extraction process.
FR1101283A
(en )
1955-10-04
Metal casting
BE576584A
(en )
1959-07-01
Non-ferrous metal extraction process.
FR1215383A
(en )
1960-04-19
Non-ferrous metal extraction process
FR1332235A
(en )
1963-07-12
Method for coating tablets
FR1138345A
(en )
1957-06-12
Metal plating
BE559299A
(en )
1960-04-08
HYDROGENATION PROCESS.
BE549916A
(en )
1959-12-04
1,2,5,6, -DIEPOXYCYCLO-OCTANE AND PROCESS FOR ITS PREPARATION.
BE537237A
(en )
1959-03-27
PROCESS FOR THE PREPARATION OF A DICETENE.
BE541815A
(en )
1959-08-28
EXPOXIDE PREPARATION PROCESS.
FR1155553A
(en )
1958-05-06
Objects for teaching music
FR2001274A1
(en )
1969-09-26
STEEL REFINING PROCESS
BE555581A
(en )
1960-02-12
DEPURATION PROCESS.
BE545935A
(en )
1959-10-09
OXYPYRAZOLS-4 PRODUCTION PROCESS.
BE543397A
(en )
1959-09-11
PROCESS FOR THE PREPARATION OF NEW UNSATURATED KETONES.
BE563060A
(en )
1960-06-03
PROCESS FOR CLEANING ACETONE.
BE536996A
(en )
1959-02-27
PROCESS FOR THE PREPARATION OF 1-METHYL-4-HYDROXY-5-ALCOXY-NAPHTHALENE.