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发明名称
Improvements in or relating to the production of artificial silk threads
摘要
申请公布号
GB348161(A)
申请公布日期
1931.05.06
申请号
GB19290033721
申请日期
1929.11.06
申请人
JOHN BRANDWOOD
发明人
分类号
D01H1/06
主分类号
D01H1/06
代理机构
代理人
主权项
地址
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