| 摘要 |
<p>The door stop protection device has an uneven U-section (A), three sides (1-3), a pipe (B), and a protection cap (C), where the protection device is made of aluminum, stainless steel, or plastic. The U-section has a width of about 3 centimeters (cm), a height of about 1.2 cm, and a depth of about 1.7 cm. The pipe has a diameter of about 2 cm, and the protection cap has a diameter of 2 cm and a length of about 2.5 cm. The pipe and the protection cap have a rectangular or square shape.</p> |
