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中华人民共和国国家标准. GB 2626-81, 过滤式防尘口罩

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Bibliographic Details
Corporate Authors: 国家劳动总局 (提出); 冶金部安全技术研究所 (起草)
Published: 技术标准出版社
Publisher Address: 北京
Publication Dates: 1981
Literature type: Book
Language: Chinese
Subjects:
除尘 > 口罩
Carrier Form: 3页: ; 26cm
Index Number: T
CLC: T-652.1
Call Number: T-652.1/6341-1

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