Title:
【発明の名称】フ-ド内に昇降階段を有する船体構造
Document Type and Number:
Japanese Patent JPS5930597
Kind Code:
B2
Inventors:
YOSHIKAWA SHINYA
Application Number:
JP5503777A
Publication Date:
July 27, 1984
Filing Date:
May 12, 1977
Export Citation:
Assignee:
YOSHIKAWA SHINYA
International Classes:
B63B29/02; B63B29/20; B63B43/00; B63B43/02; (IPC1-7): B63B29/20; B63B43/02
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