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Frederick W. Roberts

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Details Frederick W. Roberts Frederick W. Roberts

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Backspacing apparatus for transcribing machines

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Bag handle

A - Human Necessities – 45 – C

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Bolt applied coupler assembly

F - Mech Eng,Light,Heat,Weapons – 16 – L

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Closed loop gas cooling

F - Mech Eng,Light,Heat,Weapons – 28 – F

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Dictating machine indicator slips

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Wood grinding machine

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Profile ID: LFCA-PAI-P-125245

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