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LEAD REFILL FOR WRITING DRAWING AND/OR PAINTING DEVICES AND METHOD FOR THE PRODUCTION THEREOF
LEAD REFILL FOR WRITING DRAWING AND/OR PAINTING DEVICES AND METHOD FOR THE PRODUCTION THEREOF
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机译:编写绘画和/或绘画设备的主要方法及其制造方法
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摘要
The invention relates to a polymer bound lead refill for writing drawing and/or painting devices in particular for pencils or coloured pencils comprising at least one binding agent at least one wax at least one colouring agent and at least one filling agent said lead refill comprising at least one surfactant.
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