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经营范围
发明名称
Manufacture of artificial filaments
摘要
申请公布号
US1930803(A)
申请公布日期
1933.10.17
申请号
US19280314324
申请日期
1928.10.22
申请人
WILLIAM HARRISON
发明人
HARRISON WILLIAM
分类号
D01F2/06
主分类号
D01F2/06
代理机构
代理人
主权项
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