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DE1143136B
|
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Firedamp proof, electrical delay ignition
|
|
DE1110260B
|
|
Clamp for quick connection of electrical conductors
|
|
DE1176537B
|
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Device for fitting safety fuses into detonators
|
|
DE1128499B
|
|
Plug connection for electrical ignition capsules
|
|
DE1008170B
|
|
Electric, capacitor-working ignition device for explosions in mines and the like. like
|
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DE418001C
|
|
Arrangement for simultaneous dimming of several detonating ignition cords
|
|
DE413530C
|
|
Closure and closure device for electric detonators
|
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DE412651C
|
|
Process for phlegmatizing lead azide
|
|
CA256564A
|
|
Lead nitride detonator
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