1997资源列表
-
[国外标准] SAE J1298-1997 CONNECTIONS FOR FLUID POWER AND GENERAL USE.HYDRAULIC COUPLINGS—DIAGNOSTIC PORT SIZES
-
[国外标准] AWS A5.23-A5.23M-1997 Specification for Low Alloy Steel Electrodes and Fluxes for Submerged Arc Weld
-
[国外标准] AWS A4.2M A4.2-1997 Standard Procedures for Calibrating Magnetic Instruments to Measure the Delta Fe
-
[国外标准] BS EN 917-1997 Plastics piping systems Thermoplastics valves Test methods for resistance to internal
-
[国外标准] BS EN 907-1997 Agricultural and forestry machinery Sprayers and liquid fertilizer distributors Safet
-
[国外标准] BS EN 899-1997 Chemicals used for treatment of water intended for human consumption Sulfuric acid