组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
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GB/T 38161-2019
Palladium jewellery alloys—Determination of palladium—Inductively coupled plasma (ICP) spectrometric method using yttrium as internal standard element
GB/T 38145-2019
High content precious metals jewellery alloys—Determination of gold，platinum and palladium—Difference method using inductively coupled plasma optical emission spectroscopy
GB/T 38130-2019
Platinum jewellery alloys—Determination of platinum—Inductively coupled plasma (ICP) spectrometric method using yttrium as internal standard element
GB/T 9288-2019
Gold jewellery alloys—Determination of gold—Cupellation method (fire assay)
GB/T 22777-2019
Numeral information calendars
GB/T 38022-2019
Horology—Shock-resistant watches
GB/T 38020.2-2019
Watch-cases and accessories—Gold alloy coverings—Part 2:Determination of fineness, thickness, corrosion resistance and adhension
GB/T 38021-2019
Analogue quartz clocks—Timing accuracy
GB/T 38023-2019
Finishing requirements for parts and assemblies of the mechanical watch movements
GB/T 38020.1-2019
Watch-cases and accessories—Gold alloy coverings—Part 1:General requirements
GB/T 26693-2019
Timekeeping instruments—Types，dimensions and nomenclature of watch movements
GB/T 37460-2019
Amber—Testing and classification
GB/T 36927-2018
Judgment guideline of children's jewellery
GB/T 36924-2018
Technical specifications for horologe instructions
GB/T 30416-2013
GB/T 6877-2008
GB/T 36434-2018
Complex mechanical watch movements—Terminology for parts and assemblies of perpetual calendar and repeater mechanism
GB/T 36425-2018
Watch-cases and accessories—Colour range and designations of gold alloy coverings
GB/T 36169-2018
Turquoise—Grading
GB/T 36168-2018
Turquoise—Testing