Improvements in or relating to agricultural apparatus for applying insecticidal dusts to seedlings and for distributing powder or granular substances such as fertilisers
摘要
申请公布号
GB680727(A)
申请公布日期
1952.10.08
申请号
GB19500002206
申请日期
1950.01.27
申请人
LANCELOT ROBSON;LANCELOT GEORGE ROBSON;JOSEPH WALTON ROBSON