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Patent Searching and Data


Title:
METHOD OF MOVING HANGING RAIL AND RAIL SUSPENSION BODY FROM SUPPORTING HOLDING WORK IN TUNNEL EXCAVATION CONSTRUCTION WORK
Document Type and Number:
Japanese Patent JPS5287831
Kind Code:
A
Inventors:
NAGATA MASARU
Application Number:
JP351276A
Publication Date:
July 22, 1977
Filing Date:
January 14, 1976
Export Citation:
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Assignee:
NAGATA MASARU
International Classes:
E21D9/10; E21D11/12; E21D11/18; E21D11/40; E21F13/00; (IPC1-7): E21D11/12; E21D11/18; E21F13/00