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Walter E. Rojecki

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Brake control system

B - Operations – Transporting – 60 – T
Patent

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Brake control system

B - Operations – Transporting – 60 – T
Patent

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Brake pipe pressure modulating valve device

B - Operations – Transporting – 60 – T
Patent

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Empty-load valve device

B - Operations – Transporting – 60 – T
Patent

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Fluid brake control system for railroad vehicles

B - Operations – Transporting – 60 – T
Patent

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Profile ID: LFCA-PAI-P-295970

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