A coffin, for allowing inclination for display of a deceased person in a natural position.
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| Number | Title | Issue Date |
| 4605415 | Bioreactive materials Bioreactive materials, for use in forming implants or prostheses, obtained by fusion of a mixture of 20 to 50% by weight of SiO2, 15 to 25% by weight of CaO, 5 to 10% by weight of P2 O5, 15 to 25% by weight of Na2 | 08/12/1986 |