| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a universal joint for single pipes for connecting the single pipes at an optional angle. Ž<P>SOLUTION: The universal joint for the single pipes is characterized by providing a center part with shafts, installing shafts of connection parts there, and mounting the ends of the single pipes to the connection parts to bend at the optional angle. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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