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Title:
【考案の名称】板状物の小径穴打抜き装置
Document Type and Number:
Japanese Patent JP2522740
Kind Code:
Y2
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Inventors:
Fumio Sato
Application Number:
JP40391590U
Publication Date:
January 16, 1997
Filing Date:
December 19, 1990
Export Citation:
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Assignee:
Sumitomo Metal Mining Co., Ltd.
International Classes:
B21D28/00; B21D45/08; B26F1/02; H01L23/50; (IPC1-7): B21D28/00; B21D45/08; B26F1/02; H01L23/50
Attorney, Agent or Firm:
Naoto Kan (1 person outside)



 
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