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CH610211A5
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Cock for pipe conveying fluid at pressure
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CH594852A5
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Central heating gas burner
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CH594853A5
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Gas burner for water heater
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CH596500A5
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Gas burner for central heating boiler
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CH592264A5
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Fluid handling tap safety device - has flanged bush containing sliding guide body which is spring biased to closed position
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CH583398A5
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Coupling for gas and water pipe lines - has male and female coupling halves pushed together and locked by spring loaded catch
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CH581797A5
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Gas pipe stop cock - has annular groove in plug working with stirrup coupled to sliding bush
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CH574068A5
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Gas pressure regulator with secondary seal - has coaxially mounted seals for orifice both moved by diaphragm linkage
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