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发明名称
Pneumatic conveyor pipe line for conveying material in dust or powder form
摘要
申请公布号
GB807489(A)
申请公布日期
1959.01.14
申请号
GB19570002167
申请日期
1957.01.21
申请人
WILHELM HERMANNS
发明人
分类号
B65G53/20
主分类号
B65G53/20
代理机构
代理人
主权项
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