gems & jewels
topaz 黄晶 黄玉 黄宝石 diamond 钻石 ruby 红宝石 emerald 祖母绿 翡翠 绿宝石 sapphire 蓝宝石 amethyst 紫水晶 crystal 水晶 beryl 绿玉…
Read moreWork log ( from 2007-09-01 to 2007-09-30 )
September 1, Saturday: Rest. September 2, Sunday: Rest. September 3, Monday: Chinese Patent Search U…
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