专利名称：METAL STRUCTURE, METHOD OF
MANUFACTURING METAL STRUCTURE,SPRING COMPONENT, CHRONOGRAPHCOUPLING LEVER FOR TIMEPIECE, ANDTIMEPIECE
发明人：Miei KONISHI,Matsuo KISHI,Takashi NIWA申请号：US14204150申请日：20140311
公开号：US20140269228A1公开日：20140918
专利附图：
摘要：A metal structure includes, by mass %, Fe: 10% to 30%; S: 0.005% to 0.2%; andthe balance consisting of Ni and unavoidable impurities, in which a maximum grain size ofthe metal structure is 500 nm or less.
申请人：SEIKO INSTRUMENTS INC.
地址：Chiba-ken JP
国籍：JP
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