Specification for chromium-molybdenum alloy cast iron ring pots (suitable for centrifugally cast and sand cast sealing rings, piston rings and cylinder liners)
铬钼合金铸铁环罐规范（适用于离心铸造和砂型铸造密封圈、活塞环和缸套）

1976-12-31

Specification for cast iron ring pots (centrifugally cast) (suitable for piston rings up to 200 mm in diameter)
铸铁环罐规范（离心铸造）（适用于直径不超过200 mm的活塞环）

1976-12-31

Specification for high chromium alloy cast iron ring pots (centrifugally cast) (suitable for piston rings up to 400 mm in diameter)
高铬合金铸铁环罐规范（离心铸造）（适用于直径不超过400 mm的活塞环）

1976-12-31