BS EN 1680-1997 Plastics piping systems Valves for polyethylene (PE) piping systems Test method for

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标准类别：国外标准

关键词： BS EN 1680 1997 Plastics

标准简介

BS EN 1680-1997 Plastics piping systems Valves for polyethylene (PE) piping systems Test method for leaktightness under and after bending applied to the operating mechanism