hello, everyone

From: <chenysh>
Date: Thu Jun 17 2004 - 21:41:00 EDT

Dear all,

    In the course of learning Valve's Standard, there is a problem has puzzled me for a long time, this is the API602-CLASS800 valve ? Where does this VALVE (CLASS800) come from? How about its evolvement?

Bets Regards, Received on Thu Jun 17 21:41:00 2004

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