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发明名称
Utilization of waste wax paper
摘要
申请公布号
US2488515(A)
申请公布日期
1949.11.15
申请号
US19450593104
申请日期
1945.05.10
申请人
NOPCO CHEMICAL COMPANY;CROWN ZELLERBACH CORPORATION
发明人
SHERMAN LAURENCE R.;BENSON W. RONALD
分类号
D21C5/02
主分类号
D21C5/02
代理机构
代理人
主权项
地址
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