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发明名称
Drainage cleanout devices
摘要
申请公布号
GB1014815(A)
申请公布日期
1965.12.31
申请号
GB19620028106
申请日期
1962.07.20
申请人
JOSAM PRODUCTS LIMITED
发明人
LEROU ROGER J.
分类号
E03F5/02
主分类号
E03F5/02
代理机构
代理人
主权项
地址
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