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发明名称
Improvements in the production of threads, films and the like
摘要
申请公布号
GB391783(A)
申请公布日期
1933.05.02
申请号
GB19310030369
申请日期
1931.11.02
申请人
HENRY DREYFUS
发明人
分类号
D01F2/28
主分类号
D01F2/28
代理机构
代理人
主权项
地址
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