Ceramic cover plate with or without an enamelled surface.
作者： Manfred Schmidt-basler
DOI:
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摘要: A ceramic cover plate with or without an enamel surface possesses a polygonal circular peripheral edge. The consists of frame part (R) having recess (2) extending through the body and insert (E) which fits into can be inserted therein.
lens.org 参考文章(2)
Pircher Bruno, Tschumi Hans Georg, Sheet for covering walls or floors ,(1979)