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发明名称
PIPE BENDING DEVICES
摘要
申请公布号
CA875914(A)
申请公布日期
1971.07.20
申请号
CAD875914
申请日期
申请人
LESLIE A. LE BRETON
发明人
LESLIE A. LE BRETON
分类号
主分类号
代理机构
代理人
主权项
地址
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