VALVE, HIGH PRESSURE OXYGEN CHECK, FLARELESS ENDS (NO S/S DOCUMENT)
高压氧气止回阀 无扩口端（无S/S文件）

1996-08-28

VALVE HIGH PRESSURE OXYGEN CHECK, STYLE E (NO S/S DOCUMENT) (SUPERSEDING AN6018-1)
E型高压氧气止回阀（无S/S文件）（替代AN6018-1）

1996-08-28

VALVE HIGH PRESSURE OXYGEN CHECK, STYLE E (NO S/S DOCUMENT) (SUPERSEDING AN6018-1)
E型高压氧气止回阀（无S/S文件）（代替AN6018-1）

1972-01-14