4. Ammunition and explosives
  5. Blasting
  6. Patterned blasting

Erich Gerum

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Automatic control for an adjustable member

Fluid handling – Ambient condition change responsive – Burner gas cutoff
Patent

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Switch-off device for electrically operated clock alarm and cont

Communications: electrical – Audible indication – Ultrasonic pest control
Patent

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Time fuze for unpredictably-detonating scatter ammunition

Ammunition and explosives – Blasting – Patterned blasting
Patent

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Profile ID: LFUS-PAI-P-1054520

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