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经营范围
发明名称
Artificial silk
摘要
申请公布号
US2143205(A)
申请公布日期
1939.01.10
申请号
US19340710113
申请日期
1934.02.07
申请人
C. F. BOEHRINGER & SOEHNE G. M. B. H.
发明人
MULLER RICHARD;LUBKE ALFRED
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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