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Document Type and Number:
Japanese Patent JPH0180892
Kind Code:
U
Application Number:
JP17580187U
Publication Date:
May 30, 1989
Filing Date:
November 19, 1987
Export Citation:
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International Classes:
F16L29/00; (IPC1-7): F16L29/00
Domestic Patent References:
JPS6123755U1986-02-12
JPS5614286B21981-04-03



 
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