A full denture fixing structure which can surely and stably fix a full denture without using a metal
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The coral processed goods which fitted accessories, such as a pendant, a brooch and a tiepin, a hairpin, cuff buttons, an earring, and a key case, the aroma generator, the chopstick rest, the ornament, etc.
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The disintegration method of organic acid vinegar or acetic acid vinegar containing awamori mash liquid, and awamori mash liquid powder.
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The artificial pumice stone which has strength with them, and the sintering foam which utilized the mixture of the waste glass.
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The spacer for ferro-concrete placing.
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