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Before & After Examples (Folders #: 351-360).--Slide

Fountain, Roy E. (1964?)

Nuts!

Fountain, Roy E. (1964?)

Cost analysis techniques--Folders #: 376-382.--Slide

Fountain, Roy E. (1952?)

Gear shaft assembly : before and after.

Fountain, Roy E. (1964?)

Fastener.

Fountain, Roy E. (1964?)

Value equal to cost? price? -- Folders #: 311-315 (some duplicates)--Slide

Unknown author (1966)

Cost analysis techniques--Folders #: 376-382.--Slide

Fountain, Roy E. (1952?)

Techniques of cost analysis.

Fountain, Roy E. (1952?)

Cost analysis techniques--Folders #: 376-382.--Slide

Fountain, Roy E. (1952?)

Integral rotor payoff.

Fountain, Roy E. (1964?)

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