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经营范围
发明名称
Coupling combination
摘要
申请公布号
US2410297(A)
申请公布日期
1946.10.29
申请号
US19430498918
申请日期
1943.08.17
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
MAHLBERG ELROY F.
分类号
F16L37/24
主分类号
F16L37/24
代理机构
代理人
主权项
地址
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