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发明名称
LEAKAGE INTERCEPTOR FOR PIPE COUPLINGS
摘要
申请公布号
CA697854(A)
申请公布日期
1964.11.17
申请号
CAD697854
申请日期
申请人
ROY A. MATTHIESSEN
发明人
ROY A. MATTHIESSEN
分类号
主分类号
代理机构
代理人
主权项
地址
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