71523533
Jun 4, 1947
Sep 2, 1952
WILLIAM POWELL COMPANY THE
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ANGLE VALVES, BLOWOFF VALVES, CHECK VALVES, COMPOSITION DISC VALVES, CROSS VALVES, GLOBE VALVES, GROUND JOINT VALVES, RADIATOR VALVES, STRAIGHTWAY OR Y BLOWOFF VALVES AND SWING CHECK VALVES