Title:
【発明の名称】分級設備
Document Type and Number:
Japanese Patent JP2897904
Kind Code:
B2
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Inventors:
ISHIKAWA TATSURO
Application Number:
JP29963692A
Publication Date:
May 31, 1999
Filing Date:
November 10, 1992
Export Citation:
Assignee:
UBE KOSAN KK
International Classes:
B04C9/00; B07B7/083; B07B9/02; (IPC1-7): B07B7/083; B04C9/00; B07B9/02