Plastics piping systems. Injection-moulded thermoplastics fittings for elastic sealing ring type joints for pressure piping. Test method for resistance to a short-term internal pressure without end thrust
塑料管道系统 压力管道弹性密封环式接头用注射成型热塑性塑料配件 无端推力的短期内压耐受性试验方法
发布日期:
1995-07-15
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