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Title:
【発明の名称】複曲面金型の製造方法
Document Type and Number:
Japanese Patent JP3021990
Kind Code:
B2
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Inventors:
Masayuki Ohshita
Mitsuhisa Mitsuki
Application Number:
JP25041692A
Publication Date:
March 15, 2000
Filing Date:
August 27, 1992
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
B21D37/20; B22C7/00; B22C9/06; B22D25/02; (IPC1-7): B22C9/06; B22C7/00
Domestic Patent References:
JP55117542A
JP5499171A
JP4932820A
Attorney, Agent or Firm:
Hiroaki Tazawa (2 outside)



 
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