4. F - Mech Eng,Light,Heat,Weapons
  5. 21
  6. K

William J. Harvey

F - Mech Eng,Light,Heat,Weapons – 21 – K

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Country: United States Of America

Photoflash lamp construction and method of making same

F - Mech Eng,Light,Heat,Weapons – 21 – K
Patent

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Photoflash unit with two-color indicator

G - Physics – 03 – B
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Profile ID: LFCA-PAI-P-655778

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