BOILERS STEAM & HOT WATER H2OTUBE(STRAIGHT, BARE & FINNED TUBE)CAST IRON AND FIREBOX PKG TYPE (40,000- 35,000,000 BTU/HR THERMAL OUTPUT CAPACITY) (SUPERSEDING MIL-B-18897E) (NO S/S DOCUMENT)
锅炉蒸汽和热水水管（直管、裸管和翅片管）铸铁和燃烧箱PKG型（40000-35000000 BTU/HR热输出能力）（取代MIL-B-18897E）（无S/S文件）
2003-07-29
MIL MIL-B-18897F
BOILERS STEAM & HOT WATER H2OTUBE(STRAIGHT, BARE & FINNED TUBE)CAST IRON AND FIREBOX PKG TYPE (40,000- 35,000,000 BTU/HR THERMAL OUTPUT CAPACITY) (SUPERSEDING MIL-B-18897E) (NO S/S DOCUMENT)
锅炉蒸汽和热水管（直管、裸管和翅片管）铸铁和燃烧箱组件类型（40000-35000000 BTU/HR热输出容量）（替代MIL-B-18897E）（无S/S文件）