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经营范围
发明名称
Manufacture of cellular substances
摘要
申请公布号
US1991786(A)
申请公布日期
1935.02.19
申请号
US19310512216
申请日期
1931.01.29
申请人
ZELLSTOFFFABRIK WALDHOF
发明人
BUSCH HEDWIG
分类号
D21C9/08
主分类号
D21C9/08
代理机构
代理人
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地址
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