密封用石棉和橡胶压缩薄板。尺寸的测定。
Asbestos and rubber compressed sheets for seals. Measurement of dimensions.
石棉纤维制成的，橡胶及耐热包装材料、压缩到厚纸。
Made of asbestos Fibre, rubber and heat-resisting packing material, compressing it to thick paper.
石棉纤维制成的，橡胶及耐热包装材料、压缩到厚纸。
Made of asbestos Fibre, rubber and heat-resisting packing material, compressing it to thick paper.
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