GB/T 27553.1-2011

Plastic-bronze-steel backed three-layer composite self-lubricating plate technical specification — Part 1: Plate with modified polytetrafluoroethylene anti-friction layer

塑料-青铜-钢背三层复合自润滑板材技术条件 第1部分：带改性聚四氟乙烯减摩层的板材