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发明名称
Protractor guide for bending pipes
摘要
申请公布号
US3200505(A)
申请公布日期
1965.08.17
申请号
US19630286275
申请日期
1963.06.07
申请人
HEDGES RALPH G
发明人
HEDGES RALPH G.
分类号
B21D7/06;B21D7/14;B21D7/16
主分类号
B21D7/06
代理机构
代理人
主权项
地址
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