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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0530924
Kind Code:
B2
Inventors:
YAMAUCHI TOYOFUSA
YANO KOICHIRO
Application Number:
JP28545287A
Publication Date:
May 11, 1993
Filing Date:
November 13, 1987
Export Citation:
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Assignee:
PENTA OCEAN CONSTRUCTION
International Classes:
E01C3/04; E02D3/00; E02D17/18; E02D17/20