| 摘要 |
This design is the shape and ornamentation of a floor cleaning device chassis, including variants, as shown in the attached drawings.Figure 1 is a perspective view of a floor cleaning device chassis;Figure 2 is a perspective view of a first variant of Figure 1;Figure 3 is a rear elevation view of the design illustrated in Figure 1;Figure 4 is a top plan view of the design illustrated in Figure 1;Figure 5 is a rear elevation view of the first variant illustrated in Figure 2;Figure 6 is a top elevation view of the first variant illustrated in Figure 2.Drawing(s) / photograph(s) of the design is (are) included.
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