DK43896C -
Capsule for automatic Control of the Valve for Condensation Water and Air Exhaust Pipes at Steam Heating Systems with Negative Pressure.
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Capsule for automatic Control of the Valve for Condensation Water and Air Exhaust Pipes at Steam Heating Systems with Negative Pressure.
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Application filed by C A Dunham Company LtdfiledCriticalC A Dunham Company Ltd
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Publication of DK43896CpublicationCriticalpatent/DK43896C/en
DK43896D1929-07-171929-07-17
Capsule for automatic Control of the Valve for Condensation Water and Air Exhaust Pipes at Steam Heating Systems with Negative Pressure.
DK43896C
(en)