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发明名称
Siphon perfectionné
摘要
申请公布号
FR713651(A)
申请公布日期
1931.10.31
申请号
FRD713651
申请日期
1931.03.21
申请人
发明人
PRUDHON MARCEL
分类号
E03C1/29
主分类号
E03C1/29
代理机构
代理人
主权项
地址
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