Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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C W MINE PRODUCTS Co Ltd
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C W MINE PRODUCTS Co Ltd
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Application filed by C W MINE PRODUCTS Co LtdfiledCriticalC W MINE PRODUCTS Co Ltd
Application grantedgrantedCritical
Publication of FR834283ApublicationCriticalpatent/FR834283A/fr
F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
F42D1/18—Plugs for boreholes
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Life Sciences & Earth Sciences
(AREA)
General Life Sciences & Earth Sciences
(AREA)
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Portable Nailing Machines And Staplers
(AREA)
FR834283D1937-03-021938-02-25Bouchon d'arrêt perfectionné à utiliser dans les mines, carrières et similaires au moment de la mise à feu des mines
ExpiredFR834283A
(fr)