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发明名称
METHOD AND APPARATUS FOR TESTING PLASTICS PIPES FOR LEAKS
摘要
申请公布号
GB9022960(D0)
申请公布日期
1990.12.05
申请号
GB19900022960
申请日期
1990.10.22
申请人
BRITISH GAS PLC
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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