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发明名称
ARTIFICIAL SILK
摘要
申请公布号
CA318197(A)
申请公布日期
1931.12.22
申请号
CAD318197
申请日期
申请人
WILLIAM HARRISON
发明人
WILLIAM HARRISON
分类号
主分类号
代理机构
代理人
主权项
地址
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