FR977378A - Perfectionnements relatifs à une charge explosive engendrant une impulsion servant aux explorations sismiques, et procédé d'exploration sismique
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Perfectionnements relatifs à une charge explosive engendrant une impulsion servant aux explorations sismiques, et procédé d'exploration sismique
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Institute of Inventive Research
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F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
F42B1/02—Shaped or hollow charges
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General Engineering & Computer Science
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FR977378D1948-02-271948-12-17Perfectionnements relatifs à une charge explosive engendrant une impulsion servant aux explorations sismiques, et procédé d'exploration sismique
ExpiredFR977378A
(fr)
Procédé de mesure de l'intervalle de temps séparant de début de deux ondes ou impulsions et son application à la détermination des directions et des distances
Procédé de mesure de l'intervalle de temps séparant le début de deux ondes ou impulsions et son application à la détermination des directions et des distances