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发明名称
DISPOSITIF D'ENLEVEMENT D'OBSTRUCTIONS DE MATIERES ETRANGERES DANS UNE CONDUITE D'EAU
摘要
申请公布号
FR2799142(B3)
申请公布日期
2001.09.14
申请号
FR19990012388
申请日期
1999.10.05
申请人
CHIH TI AN
发明人
CHIH TI AN
分类号
B08B9/04;B08B9/053;E03F9/00;F16L55/28;(IPC1-7):B08B9/032
主分类号
B08B9/04
代理机构
代理人
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地址
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