E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/14 (2006.01) C09K 8/42 (2006.01) C09K 7/02 (1990.01)
Patent
CA 2089340
18 ABREGE UTILISATION DU SCLEROGLUCANE SEUL OU DES MELANGES DE SCLEROGLUCANE AVEC UN POLYALCOOL OU UN DIALDEHYDE COMME TAMPONS DE CIMENTATION AU COURS DES OPERATIONS DE FORAGE PETROLIER.
Donche Alain
Isambourg Patrick
Robic
Societe Nationale Elf Aquitaine
LandOfFree
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