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发明名称
FAN FOLD FOLDER
摘要
申请公布号
CA487935(A)
申请公布日期
1952.11.11
申请号
CAD487935
申请日期
申请人
BAKELITE COMPANY (CANADA) LIMITED
发明人
CHARLES H. SWENSON
分类号
主分类号
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代理人
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