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发明名称
Perfectionnements relatifs à l'ostréiculture
摘要
申请公布号
FR831420(A)
申请公布日期
1938.09.02
申请号
FRD831420
申请日期
1937.12.29
申请人
发明人
LOUIS BERTRAND PIERRE,;FRANCOIS BERTRAND HENRY,
分类号
A01K61/00
主分类号
A01K61/00
代理机构
代理人
主权项
地址
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