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发明名称
Digester for converting inorganic material into assimilable plant food
摘要
申请公布号
US2948593(A)
申请公布日期
1960.08.09
申请号
US19570653023
申请日期
1957.04.15
申请人
DAVID LARSON JOHN
发明人
LARSON JOHN DAVID
分类号
C05F9/04;C05F17/02
主分类号
C05F9/04
代理机构
代理人
主权项
地址
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