Document Type and Number:
Japanese Patent JPH0440641
Kind Code:
B2
Inventors:
NAGAKURA MASATERU
Application Number:
JP7663182A
Publication Date:
July 03, 1992
Filing Date:
May 10, 1982
Export Citation:
Assignee:
SHIBAURA ENG WORKS LTD
International Classes:
G01C9/00; E01B35/00; E01B35/06; G01C9/06; G01C9/12
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