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Title:
CONTROL OF EARTH AND SAND DISCHARGE APPARATUS IN TUNNEL MACHINE
Document Type and Number:
Japanese Patent JPS60105799
Kind Code:
A
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Inventors:
TSUKAHARA AKIRA
WADA KENJI
MITANI NORIO
NANBU TOYOICHI
Application Number:
JP21332783A
Publication Date:
June 11, 1985
Filing Date:
November 15, 1983
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE
KOMATSU MFG CO LTD
International Classes:
E21D9/13; E21D9/12; (IPC1-7): E21D9/12
Domestic Patent References:
JPS5755436U1982-03-31
Attorney, Agent or Firm:
Yonehara Masaaki



 
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