CA547128A
(fr )
1957-10-08
Pyrrolecarboxamidopyrroles substitues
CA538218A
(fr )
1957-03-12
Perceuse
CA538497A
(fr )
1957-03-19
Aleseuse a rainer
CA537472A
(fr )
1957-02-26
Benzamidopropylamines substituees
CA540469A
(fr )
1957-05-07
Glycinamides substitues
CA549902A
(fr )
1957-12-10
Forets de cable-outil
AU219344B2
(en )
1958-06-12
Cutter
CA542735A
(fr )
1957-06-25
Perforateur de puits
CA535131A
(fr )
1957-01-01
Sondage de puits
CA542512A
(fr )
1957-06-18
Porte-forets
AU3370357A
(en )
1958-06-12
Cutter
CA539483A
(fr )
1957-04-09
Tranche-gazon
CA544088A
(fr )
1957-07-23
Unite de perforation
AU238375B2
(en )
Tool
CA532284A
(fr )
1956-10-30
Fraise
CA545515A
(fr )
1957-08-27
Derives de 6-alkoxy-tropinone
CA548103A
(fr )
1957-10-29
Derives de 2-vinyle-pyrane
AU216621B2
(en )
1958-02-20
Milling cutters
CA546852A
(fr )
1957-10-01
Mandrin
CA541731A
(fr )
1957-06-04
Foreuse
CA537344A
(fr )
1957-02-19
Structure de lame
CA538308A
(fr )
1957-03-19
Glycinamides substitues
CA537471A
(fr )
1957-02-26
Alkoxybenzylisoquinolines substitues
CA540468A
(fr )
1957-05-07
Glycinamides substitues
AU226676B2
(en )
1958-06-19
Substituted coumarones