
水环真空泵和水环压缩机试验方法
Water ring vacuum pumps and compressors-Testing method
Water ring vacuum pumps and compressors-Testing method
Reciprocating minitype air compressors
Metallographs for high manganese cast steel
35 mm cinematography-Subjective test film(colour chart)
Ships and marine technology-Deck machinery-Accommodation ladder winches
Durability of wood-Part 2:Method for field test of natural durability
Durability of wood Part 1:Method for laboratory test of natural decay resistance
Diphenylmethane diisocyanate
Polyacrylamide
Rubber, vulcanized-Test method of deterioration by heat and oxygen- Tube tester