UL 107-2001《石棉水泥管和接头》
These requirements cover asbestos-cement pressure pipe, couplings, and gaskets for use in
underground, fire service systems and connections to such systems. The pipe consists of either the
distributiorl or tranlsmission type.
These requirements cover asbestos-cement pressure pipe, couplings, and gaskets for use in
underground, fire service systems and connections to such systems. The pipe consists of either the
distributiorl or tranlsmission type.