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发明名称
Dispositif de protection automatique contre la gelée blanche
摘要
申请公布号
FR55203(E)
申请公布日期
1951.10.02
申请号
FRD55203
申请日期
1945.11.22
申请人
发明人
PARRENIN HENRI
分类号
A01G13/00;A01G13/06
主分类号
A01G13/00
代理机构
代理人
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地址
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