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发明名称
Method of securing fittings to hose-ends
摘要
申请公布号
US2338666(A)
申请公布日期
1944.01.04
申请号
US19410398278
申请日期
1941.06.16
申请人
NELSON LEWEN R
发明人
NELSON LEWEN R.
分类号
B21D39/04
主分类号
B21D39/04
代理机构
代理人
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