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发明名称
YARN TWISTING METHOD
摘要
申请公布号
CA339549(A)
申请公布日期
1934.02.20
申请号
CAD339549
申请日期
申请人
CAMILLE DREYFUS
发明人
LESLIE JAMES O'DOWD
分类号
主分类号
代理机构
代理人
主权项
地址
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