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发明名称
DISPOSITIF DE PROTECTION CONTRE LE GEL EN PERIODE HIVERNALE DE PLANTATIONS ARBORICOLES
摘要
申请公布号
FR2611113(B1)
申请公布日期
1990.03.16
申请号
FR19870002428
申请日期
1987.02.19
申请人
HULIN GEORGES
发明人
分类号
A01G13/06;(IPC1-7):A01G9/26
主分类号
A01G13/06
代理机构
代理人
主权项
地址
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