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100 1 _a"hall, f . "
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245 1 0 _adesign calculations for plumbing and heating engineers:
_b/
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250 _a2 ed.
260 _auk :
_blongman
_c1988.
300 _a"vii, 211p.;
_c21 cm."
650 0 _a"plumbing-mathematics-problems, exercises etc
_xheating-mathematics-problems, exercises etc"
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942 _2lcc
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999 _c20938
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