首页>
外国专利>
METHOD OF EXHIBITING DRESSED SURFACE OF NATURAL MATERIAL BY UTILIZING FAULT SEPARATION CAUSED BY IMPERMIABILITY OF MORTAR PASTE* AND METHOD OF PROTECTING SAME DRESSED SURFACE
METHOD OF EXHIBITING DRESSED SURFACE OF NATURAL MATERIAL BY UTILIZING FAULT SEPARATION CAUSED BY IMPERMIABILITY OF MORTAR PASTE* AND METHOD OF PROTECTING SAME DRESSED SURFACE