发明名称 SMOOTHING STONE WITH INTERNAL ORIFICES
摘要 <p>A smoothing stone made of carborundum that is used for scrubbing marble, mosaic and granite surfaces and consists of the main body (A' version 1B' version -1a-) oval shaped that ends in a conical formation -2-2a-. The main body has vertical holes -3- or hole -3a-where the powder that is produced by the use of the stone enters -6-6a-.</p>
申请公布号 GR900100835(A) 申请公布日期 1992.11.23
申请号 GR19900100835 申请日期 1990.12.03
申请人 PAPADOPOULOS HRISTOS;PAPADOPOULOS EUSTATHIOS 发明人 PAPADOPOULOS HRISTOS;PAPADOPOULOS EUSTATHIOS
分类号 B24D7/06;B24D7/10;(IPC1-7):B24D7/06 主分类号 B24D7/06
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