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Title:
SEAL PACKING
Document Type and Number:
Japanese Patent JPS60175700
Kind Code:
A
More Like This:
WO/2004/029413SHIELD TUNNELING METHOD AND APPARATUS FOR EXCAVATING A TUNNEL OF NON-CIRCULAR CROSS-SECTION
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JP4222986Cutter bit exchange device and method for shield excavators
Inventors:
OGAWA MASAAKI
Application Number:
JP3381284A
Publication Date:
September 09, 1985
Filing Date:
February 23, 1984
Export Citation:
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Assignee:
TIGERS POLYMER
International Classes:
E21D9/087; E21D9/08; E21D11/00; F16J15/10; F16J15/3232; (IPC1-7): E21D9/08; E21D11/00; F16J15/10



 
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