Title:
METHOD OF FREEZING CONSTRUCTION OF FRONT OF SHIELD IN METHOD OF SHIELD CONSTRUCTION
Document Type and Number:
Japanese Patent JPS52115535
Kind Code:
A
Inventors:
TAKASHI TSUTOMU
TOBE NOBORU
TOBE NOBORU
Application Number:
JP3082976A
Publication Date:
September 28, 1977
Filing Date:
March 23, 1976
Export Citation:
Assignee:
SEIKEN REIKI KK
International Classes:
E02D19/14; E21D9/06; (IPC1-7): E02D19/14; E21D9/06
Domestic Patent References:
| JPS52111236A | 1977-09-17 |
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