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February 2003

2003.02.22

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Two Sizes of Ampico B Unit Valves
By Bob Stewart

Does anyone have information on why some Ampico B unit valve blocks
contain 11/16" valves and other have 13/16" valves?  Which size valve
was used first?  When did the change occur?  Why the change?

Bob Stewart

(Message sent Sat 22 Feb 2003, 02:44:24 GMT, from time zone GMT-0600.)

Key Words in Subject: Ampico, B, Sizes, Two, Unit, Valves

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