| 摘要 |
PROBLEM TO BE SOLVED: To provide a car washing machine in which a portal frame is assembled easily and reliably using a pipe. SOLUTION: In the car washing machine 10 having the portal frame 100 which extends across a vehicle, the frame 100 is formed of a plurality of pipes 101 connected by using pipe joints 110, and the pipes 101 are fixed to the pipe joints 110 by fastening. COPYRIGHT: (C)2011,JPO&INPIT
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