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Title:
【発明の名称】さく岩機等の制御弁装置
Document Type and Number:
Japanese Patent JPS5855320
Kind Code:
B2
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Inventors:
KAMYAMA RYOHEI
Application Number:
JP12356276A
Publication Date:
December 09, 1983
Filing Date:
October 15, 1976
Export Citation:
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Assignee:
FURUKAWA KOGYO KK
International Classes:
F16K31/363; E21B1/00; E21B1/30; G05D7/03; (IPC1-7): E21C3/24
Attorney, Agent or Firm:
Tetsuya Mori



 
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