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发明名称
Greaseproof impregnated article and method of preparing
摘要
申请公布号
US2114393(A)
申请公布日期
1938.04.19
申请号
US19360072537
申请日期
1936.04.03
申请人
HERCULES POWDER COMPANY
发明人
LANE FRED H.
分类号
D21H17/62
主分类号
D21H17/62
代理机构
代理人
主权项
地址
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