4. B - Operations, Transporting
  5. 66
  6. B

Zygmunt Dziwak

B - Operations – Transporting – 66 – B

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Details

Inventor

Country: Canada

Astragal construction

B - Operations – Transporting – 66 – B
Patent

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Car door lock

B - Operations – Transporting – 66 – B
Patent

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Column hung truss system

E - Fixed Constructions – 04 – C
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Door interlocking system

B - Operations – Transporting – 66 – B
Patent

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Elevator landing door broken chain safety device

B - Operations – Transporting – 66 – B
Patent

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Profile ID: LFCA-PAI-P-1555369

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