CA2179851A1
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Automatic return mechanism for quarter turn valves
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Tamper-proof handle extension for quarter turn valves
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Stem extension for quarter-turn valves
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Handle locking mechanism for quarter turn valves
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Tamper-proof locking mechanism for quarter turn valves
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Butterfly valve
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Tank truck vent system
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Tank truck safety valve
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Method of fabricating a butterfly valve
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Butterfly valve
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Butterfly valve
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Gate valve
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CA963347A
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Tank truck safety valve
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GB1117488A
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Improvements in or relating to valve assemblies
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Swing type check valve
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Check valve for fuel tank trucks and similar vehicles
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Automatic shut-off valve
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