Method for carrying out microbiological fermentations in an apparatus containing a fixed open cell foam system and apparatus for carrying out such methods
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Method of preparing polyurea foam materials
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Process for obtaining favourable physiological effects on cultivated plants
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An explosive device
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Initiating device for an explosive charge
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Projectile propellant device including an erosion reducing additive
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Process and apparatus for the controlled firing of explosive charges and ammunition using said apparatus
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Explosives
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Cartridge or the like for firearms
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Igniter
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Improvements in pomegrants for pulling by hand or with speargun, susceptible to be used for defensive or offensive purposes (Machine-translation by Google Translate, not legally binding)
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Electrical initiators
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Improvements relating to the manufacture of explosive and propellent compositions
