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经营范围
发明名称
Process of producing pulps containing rubber substances
摘要
申请公布号
US2057331(A)
申请公布日期
1936.10.13
申请号
US19320618016
申请日期
1932.06.18
申请人
THE RICHARDSON COMPANY
发明人
FISHER HARRY C.;ACUS GEORGE
分类号
D21H17/35
主分类号
D21H17/35
代理机构
代理人
主权项
地址
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