发明名称 Workpiece for a watch band.
摘要 <p>A workpiece for a watch band comprises a worked part (3) to be machined and a base part (2) joined by diffused junction with the worked part (3), which is prepared by a material being superior in machinability to that for the base part (2).</p>
申请公布号 EP0286948(A2) 申请公布日期 1988.10.19
申请号 EP19880105412 申请日期 1988.04.05
申请人 NAMIKI PRECISION JEWEL CO., LTD.;SUMITOMO ELECTRIC INDUSTRIES LIMITED 发明人 CHIBA, NOBUTAKA;KIKUCHI, YOUICHI NAMIKI PRECISION JEWEL CO.,LTD.;MATSUMARA, HIROSHI NAMIKI PRECISION JEWEL CO.,LTD.;MARUYAMA, MASAO ITAMI WORKS;SEKI, ATSUSHI ITAMI WORKS;MINATO, YOSHIHIRO ITAMI WORKS;SAKATA, TOSHIMITSU ITAMI WORKS;MAEDA, YOSHIKI ITAMI WORKS
分类号 A44C5/10;A44C5/02;B22F7/06;B23K20/00 主分类号 A44C5/10
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