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发明名称
Improvements in and relating to machines for depositing powdered and other discrete materials on the ground
摘要
申请公布号
GB582148(A)
申请公布日期
1946.11.06
申请号
GB19440003102
申请日期
1944.02.18
申请人
GRAHAM ESTYN ROBERTS
发明人
分类号
A01C15/00
主分类号
A01C15/00
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代理人
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