ASTM C 951尿素甲醛结合泡沫绝缘材料的规范标准
日期:2012-02-13 19:22
ASTM C 951 STANDARD SPECIFICATION FOR UREA-FORMALDEHYDE- BASED.FOAMED-IN-PLACE INSULATION-(Discontinued 1986; No Replacement)
ASTM C 951尿素甲醛结合泡沫绝缘材料的规范标准
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