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发明名称
PRODUCTION OF FILAMENTS, THREADS, RIBBONS OR FILMS
摘要
申请公布号
CA316198(A)
申请公布日期
1931.10.13
申请号
CAD316198
申请日期
申请人
HENRY DREYFUS
发明人
WILLIAM ALEXANDER DICKIE;PERCY FREDERICK COMBE SOWTER
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