FR819959A - Perfectionnements apportés aux moyens d'obturation des cavités contenant des charges explosives, notamment aux bourrages pour trous de mine ou analogues
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Perfectionnements apportés aux moyens d'obturation des cavités contenant des charges explosives, notamment aux bourrages pour trous de mine ou analogues
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Cie Des Mines D Aniche S A
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Cie Des Mines D Aniche S A
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Publication of FR819959ApublicationCriticalpatent/FR819959A/fr
F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
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Life Sciences & Earth Sciences
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General Life Sciences & Earth Sciences
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Engineering & Computer Science
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General Engineering & Computer Science
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Drilling And Exploitation, And Mining Machines And Methods
(AREA)
FR819959D1936-03-311937-03-30Perfectionnements apportés aux moyens d'obturation des cavités contenant des charges explosives, notamment aux bourrages pour trous de mine ou analogues
ExpiredFR819959A
(fr)
Perfectionnements apportés aux moyens d'obturation des cavités contenant des charges explosives, notamment aux bourrages pour trous de mine ou analogues
Perfectionnements apportés aux moyens d'obturation des cavités contenant des charges explosives, notamment aux bourrages pour trous de mine ou analogues