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发明名称
Perfectionnements aux systèmes d'égouts
摘要
申请公布号
FR1230697(A)
申请公布日期
1960.09.19
申请号
FR19590795626
申请日期
1959.05.26
申请人
发明人
LILJENDAHL SVEN ALGOT JOEL
分类号
C02F3/12;E03F1/00
主分类号
C02F3/12
代理机构
代理人
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地址
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