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发明名称
Verfahren zum Bleichen von Papierhalbstoffen, insbesondere Holzschliff
摘要
申请公布号
AT183645(B)
申请公布日期
1955.10.25
申请号
ATD183645
申请日期
1949.09.06
申请人
BUFFALO ELECTRO-CHEMICAL COMPANY, INC.
发明人
分类号
主分类号
代理机构
代理人
主权项
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