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Pennsylvania Code
Title 34
Part I
Chapter 3a
Low Pressure Heating Boilers Installed Prior to July 1, 1916
Low Pressure Heating Boilers Installed Prior to July 1, 1916
3a.141
Riveted boilers.
3a.142
Welded boilers.
3a.143
Cast iron boilers.
3a.144
Safe pressure.
3a.145
Steam stop valves.
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