| 摘要 |
PROBLEM TO BE SOLVED: To provide a middle base lid with ventilating hole for middle base type gravestone capable of naturally removing the moisture in a cinerary room or the like. SOLUTION: This middle base lid comprises a ventilating passage 5 provided on the back of a middle base body 1, ventilating hole side lids 2 and 2 provided on air holes 3 and 3 connecting to both the side surfaces thereof, air hole filters 4 and 4 mounted thereon so as to be internally provided, a lighting hole 9 connected to the ventilating passage 5, a lighting ball 8 fitted from just above the hole, and a draining groove 6 provided on the back surface.
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