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Patent Searching and Data


Title:
SHIELD EXCAVATOR
Document Type and Number:
Japanese Patent JPS5915198
Kind Code:
A
Inventors:
OOTSUKA RIYUUSABUROU
KATAYAMA MINORU
MAEDA KEIJI
Application Number:
JP12222282A
Publication Date:
January 26, 1984
Filing Date:
July 15, 1982
Export Citation:
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Assignee:
ISHIKAWAJIMA HARIMA HEAVY IND
International Classes:
E21D9/087; E21D9/08; E21D9/12; (IPC1-7): E21D9/08; E21D9/12
Domestic Patent References:
JPS5337653A1978-04-06
JPS566555U1981-01-21
JPS53123223U1978-09-30
Attorney, Agent or Firm:
Nobuo Kinutani



 
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