| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive simple flow indicator of simple structure free from top and bottom/vertical and lateral arrangement and directions capable of visually confirming a flow and fluidization of a fluid. SOLUTION: This simplified flow indicator has an outer casing tube 7, a rotor 6 provided inside the casing tube and one-touch joint mechanisms 1, 10 provided in both ends of the casing tube, and the rotor is provided with a recognition mark 11 colored with a single color or a plurality of colors. COPYRIGHT: (C)2004,JPO&NCIPI
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