4. A - Human Necessities
  5. 62
  6. C

Wilfred V. Johnson

A - Human Necessities – 62 – C

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Automatic fire sprinkler head

A - Human Necessities – 62 – C
Patent

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Automatic on-off fire sprinkler head

A - Human Necessities – 62 – C
Patent

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Automatic on-off sprinkler head

F - Mech Eng,Light,Heat,Weapons – 16 – T
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Fire extinguishing system

A - Human Necessities – 62 – C
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Profile ID: LFCA-PAI-P-257329

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