Document Type and Number:
Japanese Patent JPS57181979
Kind Code:
U
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| JPH0717907 | [Name of invention] Joint structure of concrete pipe |
Application Number:
JP7031381U
Publication Date:
November 18, 1982
Filing Date:
May 14, 1981
Export Citation:
International Classes:
F16L9/08; F16L13/12; F16L21/02; (IPC1-7): F16L9/08; F16L13/12