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发明名称
Method for producing low-density pulp
摘要
申请公布号
US1777710(A)
申请公布日期
1930.10.07
申请号
US19260133728
申请日期
1926.09.04
申请人
HERCULES POWDER COMPANY
发明人
BABCOCK LEON W.
分类号
D21B1/00
主分类号
D21B1/00
代理机构
代理人
主权项
地址
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