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经营范围
发明名称
SHUTOFF TOOL FOR PLASTIC PIPE
摘要
申请公布号
US3589668(A)
申请公布日期
1971.06.29
申请号
USD3589668
申请日期
1968.10.17
申请人
SANFORD E. COBLITZ
发明人
JOHN B. GILL
分类号
F16K7/06;(IPC1-7):F16K7/06
主分类号
F16K7/06
代理机构
代理人
主权项
地址
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