Boiler efficiency and safety a guide for managers, engineers and operators responsible for small steam boilers

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi rangatōpū: Esso Petroleum Company
Ētahi atu kaituhi: Robertson, W. S. (William Stewart), 1923-
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: London Macmillan [for] Esso 1981
Ngā marau:
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