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发明名称
Method and apparatus for controlling birefringent web
摘要
申请公布号
US2827246(A)
申请公布日期
1958.03.18
申请号
US19560620028
申请日期
1956.11.02
申请人
SOCIETE CELLOPHANE INVESTMENT COMPANY LIMITED
发明人
VANET PAUL
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
主权项
地址
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