| 摘要 |
A protective device for grave marking structures including a unitary generally rectangular frame member having a generally rectangular inner opening. The frame member has two pairs of opposed substantially straight generally parallel sides. Each side is of substantially equal transverse width. Each side has an outer transverse section having a generally uniform thickness and an inner transverse section having an average thickness which is substantially less than the thickness of the outer transverse section. The outer transverse section having a greater transverse width than the inner transverse section. The outer transverse section may have a width of about 11/2 to 6 times the transverse width of the inner transverse section. The outer transverse section has a thickness of about 11/2 to 11 times the average thickness of the inner transverse section.
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