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经营范围
发明名称
Improvements in or relating to processes and apparatus for the treatment of granular material
摘要
申请公布号
GB670683(A)
申请公布日期
1952.04.23
申请号
GB19490027070
申请日期
1949.10.21
申请人
KARL DIENST;WALDEMAR DIENST
发明人
分类号
B02B1/00
主分类号
B02B1/00
代理机构
代理人
主权项
地址
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