[GB/T 2559-1981] 褐煤蠟熔點(diǎn)測(cè)定方法[已作廢]
發(fā)布時(shí)間:1981-04-08
實(shí)施時(shí)間:1981-10-01
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[GB/T 2560-1981] 褐煤蠟滴點(diǎn)測(cè)定方法[已作廢]
發(fā)布時(shí)間:1981-04-08
實(shí)施時(shí)間:1981-10-01
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[GB/T 2561-1981] 褐煤蠟中溶于丙酮物質(zhì)(樹(shù)脂物質(zhì))測(cè)定方法[已作廢]
發(fā)布時(shí)間:1981-04-08
實(shí)施時(shí)間:1981-10-01
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[GB/T 2562-1981] 褐煤蠟中苯不溶物測(cè)定方法[已作廢]
發(fā)布時(shí)間:1981-04-08
實(shí)施時(shí)間:1981-10-01
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[GB/T 2563-1981] 褐煤蠟灰分測(cè)定方法[已作廢]
發(fā)布時(shí)間:1981-04-08
實(shí)施時(shí)間:1981-10-01
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[GB/T 2564-1981] 褐煤蠟酸值和皂化值測(cè)定方法[已作廢]
發(fā)布時(shí)間:1981-04-08
實(shí)施時(shí)間:1981-10-01
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發(fā)布時(shí)間:1980-05-01
實(shí)施時(shí)間:1980-05-01
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[GB 219-1974] 煤灰熔融性的測(cè)定方法[已作廢]
發(fā)布時(shí)間:1974-11-01
實(shí)施時(shí)間:1974-11-01
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發(fā)布時(shí)間:1966-01-01
實(shí)施時(shí)間:1966-01-01
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