| 摘要 |
In a branch tee fitting ( 1 ) fabricated by press forming, engaging pawls ( 14 ) are provided which engage flat portions ( 13 ) superposed to each other at angles in the region between the tubular body portion ( 11 ) and the tubular branch portion ( 12 ), in order to enhance the brazing strength thereof and the brazing workability thereof by allowing separate brazing of pipes (P) to a tubular body portion ( 11 ) and a tubular branch portion ( 12 ).
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