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Joseph Ashton
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Publication of GB190414178ApublicationCriticalpatent/GB190414178A/en
14,178. Ashton, J. June 23. Shocks, preventing.-An air vessel B is attached to the valve-body, with which it communicates by a relatively-small flared opening a<2>. The grooves d in the plug c allow communication between the air vessel and the service pipe.
GB190414178D1904-06-231904-06-23Preventing Shocks in Water Service Pipes.
ExpiredGB190414178A
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