Title:
TORSION FREE TUBE
Document Type and Number:
Japanese Patent JPS5565789
Kind Code:
A
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Inventors:
KATAYAMA YUTAKA
Application Number:
JP13891078A
Publication Date:
May 17, 1980
Filing Date:
November 13, 1978
Export Citation:
Assignee:
KATAYAMA YUTAKA
International Classes:
F16L9/19; F16L11/12; (IPC1-7): F16L11/12